Assessment

Actor K answered test/quiz/exam A, item 1

e.g. Roger answered an multiple choice question. (it took him 20s)

Property Type Description Example Required Best Practice
actor Agent Object Person who answered the question {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Required
verb.id URL The verb http://adlnet.gov/expapi/verbs/answered Required
verb.display.en-US String The verb display answered Recommended
object.objectType String Question is a kind of "Activity" Activity Required
object.id URL Hyperlink of the question http://question/item1/id/1 Required item 1 must have a unique id, at least have a number following its parent's id
object.definition.name.en-US String title/item number item 1 Recommended
object.definition.description.en-US String The stem of the question Who is handsome? Optional
object.definition.type URL The type of the activity is a kind of "cmi.interaction" http://adlnet.gov/expapi/activities/cmi.interaction Required
object.definition.interactionType String Multiple choice choice Recommended
object.definition.correctResponsesPattern Array of Strings Correct Answer ["laker"] Recommended
object.definition.choices Array of Objects Options of the question [{ "id":"laker", "description":{ "en-US":"Kobe Bryant" } }, { "id":"thunder", "description":{ "en-US":"Kevin Durant" } }] Optional
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/alignment Array of String Academic standards,such as CCSS,PISA,etc. ["Know and apply grade-level phonics and word analysis skills in decoding words."] Recommended It should be an array contains hyperlinks(Array of URL)
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/blooms-level String Blooms Level:
  • Remembering
  • Understanding
  • Applying
  • Analyzing
  • Evaluating
  • Creating
Applying Recommended
result.score.min Decimal number less than max Minimum score 0 Recommended
result.score.raw Decimal number between min and max Actor’s score 10 Recommended if there is raw score, it's preferred to use raw/min/max data
result.score.max Decimal number greater than min Maximum score 20 Recommended
result.success Boolean Correct or not true Required
result.response String Content of answer laker Required
result.duration ISO 8601 String Time spent PT20S Recommended Remove the fraction
result.extensions.https://w3id.org/xapi/acrossx/extensions/supplemental-info String or Activity Object If the actor answered the question with hint or supplemental info. Optional
context.instructor Agent Object instructor {"objectType":"Agent","name":"teacher","mbox":"mailto:teacher@visca.com"} Required
context.language String The language used in this scenario en-US Optional
context.contextActivities.parent[0] Activity Object Parent Activity of this question { "objectType":"Activity", "id":"http://assessment/id/1", "definition":{ "name":{ "en-US":"Final Assessment" }, "type":"http://adlnet.gov/expapi/ activities/assessment" } } Required
context.contextActivities.category[0] Activity Object Profile Activity of the assessment { "objectType":"Activity", "id":"https://w3id.org/xapi/acrossx/profile/assessment" } Required
context.platform String platform http://platform/assessing Recommended Use the URL to present the platform website
context.extensions.http://id.tincanapi.com/extension/browser-info Navigator Object browser { "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true } Recommended
authority Agent Object The learner {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Optional
timestamp ISO 8601 String The time the answer was submitted 2015-09-21T05:45:30Z Optional If not provided VisCa will use the time when the statement was received
{
    "actor":{
        "objectType":"Agent",
        "name":"Roger",
        "mbox":"mailto:roger@visca.com"
    },
    "verb":{
        "id":"http://adlnet.gov/expapi/verbs/answered",
        "display":{
            "en-US":"answered"
        }
    },
    "object":{
        "objectType":"Activity",
        "id":"http://question/id/1",
        "definition":{
          "description":{
                "en-US":"Who is handsome?"
            },
            "type":"http://adlnet.gov/expapi/activities/cmi.interaction",
            "interactionType":"choice",
            "correctResponsesPattern":["laker"],
            "choices":[
                {
                    "id":"laker",
                    "description":{
                        "en-US":"Kobe Bryant"
                    }
                },
                {
                    "id":"thunder",
                    "description":{
                        "en-US":"Kevin Durant"
                    }
                }
            ],
            "extensions":{
                "https://w3id.org/xapi/acrossx/extensions/alignment":["Know and apply grade-level phonics and word analysis skills in decoding words."],
                "https://w3id.org/xapi/acrossx/extensions/blooms-level":"Applying"
            }
        }
    },
    "result":{
        "score":{
            "min":0,
            "raw":10,
            "max":20
        },
        "success":true,
        "response":"laker",
        "duration":"PT20S"
    },
    "context":{
        "instructor":{
            "objectType":"Agent",
            "name":"Teacher",
            "mbox":"mailto:teacher@visca.com"
        },
        "platform":"http://platform/assessing",
        "language":"en-US",
        "contextActivities":{
              "parent":[
                  {
                      "objectType":"Activity",
                      "id":"http://assessment/id/1",
                      "definition":{
                          "name":{
                              "en-US":"Final Assessment"
                          },
                          "type":"http://adlnet.gov/expapi/activities/assessment"
                      }
                  }
              ],
            "category":[
                {
                    "objectType":"Activity",
                    "id":"https://w3id.org/xapi/acrossx/profile/assessment"
                }
            ]
        },
        "extensions":{
            "http://id.tincanapi.com/extension/browser-info":{ "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true }
        }
    },
    "authority":{
      "objectType":"Agent",
      "name":"Roger",
      "mbox":"mailto:roger@visca.com"
    },
    "timestamp":"2015-09-21T05:45:30Z"
}

Actor K began to take test/quiz/exam A

e.g. Roger took the assessment exam "Final Assessment".

Property Type Description Example Required Best Practice
actor Agent Object Person who took the assessment {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Required
verb.id URL The verb http://adlnet.gov/expapi/verbs/attempted Required
verb.display.en-US String The verb display attempted Recommended
object.objectType String Assessment is a kind of "Activity" Activity Required
object.id URL Hyperlink of the assessment http://assessment/id/1 Required
object.definition.name.en-US String The name of the assessment Final Assessment Recommended
object.definition.description.en-US String The description of the assessment This is the final assessment. Optional
object.definition.type URL To define that assessment is a kind of activity http://adlnet.gov/expapi/activities/assessment Required
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/alignment Array of String Academic standards,such as CCSS,PISA,etc. ["Know and apply grade-level phonics and word analysis skills in decoding words."] Recommended It should be an array contains hyperlinks(Array of URL)
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/time-limit ISO 8601 String Time limit PT2H30M Optional Remove the fraction
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/total-items Integer The amount of questions 10 Recommended
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/total-score Integer Total Score of the assessment 100 Recommended
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/pass-score Integer The minimum score to pass the assessment 60 Recommended
result.extensions.http://id.tincanapi.com/extension/starting-point ISO 8601 String Timestamp of taking the assessment (Start) 2015-09-21T05:45:30Z Recommended
context.instructor Agent Object instructor {"objectType":"Agent","name":"teacher","mbox":"mailto:teacher@visca.com"} Required
context.language String The language used in this scenario en-US Optional
context.contextActivities.category[0] Activity Object Profile Activity of the assessment { "objectType":"Activity", "id":"https://w3id.org/xapi/acrossx/profile/assessment" }
context.platform String platform http://platform/assessing Optional Use the URL to present the platform website
context.extensions.http://id.tincanapi.com/extension/browser-info Navigator Object browser { "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true } Recommended
authority Agent Object The learner {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Optional
timestamp ISO 8601 String The timestamp of assessment answering 2015-09-21T05:45:30Z Optional If not provided VisCa will use the time when the statement was received
{
    "actor":{
        "objectType":"Agent",
        "name":"Roger",
        "mbox":"mailto:roger@visca.com"
    },
    "verb":{
        "id":"http://adlnet.gov/expapi/verbs/attempted",
        "display":{
            "en-US":"attempted"
        }
    },
    "object":{
        "objectType":"Activity",
        "id":"http://assessment/id/1",
        "definition":{
            "name":{
                "en-US":"final assessment"
            },
            "description":{
                "en-US":"this is the final assessment."
            },
            "type":"http://adlnet.gov/expapi/activities/assessment",
            "extensions":{
                "https://w3id.org/xapi/acrossx/extensions/alignment":["Know and apply grade-level phonics and word analysis skills in decoding words."],
                "https://w3id.org/xapi/acrossx/extensions/time-limit":"PT2H30M",
                "https://w3id.org/xapi/acrossx/extensions/total-items":10,
                "https://w3id.org/xapi/acrossx/extensions/total-score":100,
                "https://w3id.org/xapi/acrossx/extensions/pass-score":60
            }
        }
    },
    "result":{
        "extensions":{
            "http://id.tincanapi.com/extension/starting-point":"2015-09-21T05:45:30Z"
        }
    },
    "context":{
        "instructor":{
            "objectType":"Agent",
            "name":"Teacher",
            "mbox":"mailto:teacher@visca.com"
        },
        "platform":"http://platform/assessing",
        "language":"en-US",
        "contextActivities":{
            "category":[
                {
                    "objectType":"Activity",
                    "id":"https://w3id.org/xapi/acrossx/profile/assessment"
                }
            ]
        },
        "extensions":{
            "http://id.tincanapi.com/extension/browser-info":{ "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true }
        }
    },
    "authority":{
      "objectType":"Agent",
      "name":"Roger",
      "mbox":"mailto:roger@visca.com"
    },
    "timestamp":"2015-09-21T05:45:30Z"
}

Actor K completed taking test/quiz/exam A

e.g. Roger completed the assessment.(It took him 1hr and he got 90)

Property Type Description Example Required Best Practice
actor Agent Object Person who completed the assessment {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Required
verb.id URL The verb http://adlnet.gov/expapi/verbs/completed Required
verb.display.en-US String The verb display completed Recommended
object.objectType String Assessment is a kind of "Activity" Activity Required
object.id URL Hyperlink of the assessment http://assessment/id/1 Required
object.definition.name.en-US String  The name of the assessment final assessment Recommended
object.definition.description.en-US String The description of the assessment this is the final assessment. Optional
object.definition.type URL To define that assessment is a kind of activity http://adlnet.gov/expapi/activities/assessment Required
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/alignment Array of String Academic standards,such as CCSS,PISA,etc. ["Know and apply grade-level phonics and word analysis skills in decoding words."] Recommended It should be an array contains hyperlinks(Array of URL)
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/time-limit ISO 8601 String Time limit PT2H30M Optional Remove the fraction
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/total-items Integer The amount of questions 10 Required
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/total-score Integer Total Score of the assessment 100 Recommended
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/pass-score Integer The minimum score to pass the assessment 60 Recommended
result.score.min Integer Lowest score among testers 20 Required
result.score.raw Integer Score 90 Required
result.score.max Integer Highest score among testers 90 Required
result.success Boolean Pass or not true Recommended
result.completion Boolean Completion or not true Optional judging from "completion requirement" which designers/instructors should define and document
result.duration ISO 8601 String Time spent on taking the assessment PT1H Required
result.extensions.http://id.tincanapi.com/extension/ending-point ISO 8601 String Timestamp of completing taking the assessment (The End) 2015-09-21T06:45:30Z Recommended
context.instructor Agent Object instructor {"objectType":"Agent","name":"teacher","mbox":"mailto:teacher@visca.com"} Required
context.language String The language used in this scenario en-US Optional
context.contextActivities.category[0] Activity Object Profile Activity of the assessment { "objectType":"Activity", "id":"https://w3id.org/xapi/acrossx/profile/assessment" } Required
context.platform String platform http://platform/assessing Recommended Use the URL to present the platform website
context.extensions.http://id.tincanapi.com/extension/browser-info Navigator Object browser { "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true } Recommended
authority Agent Object The learner {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Optional
timestamp ISO 8601 String 完成測驗的時間戳記 2015-09-21T06:45:30Z Optional VisCa will use the time when the statement was received if not provided
{
    "actor":{
        "objectType":"Agent",
        "name":"Roger",
        "mbox":"mailto:roger@visca.com"
    },
    "verb":{
        "id":"http://adlnet.gov/expapi/verbs/completed",
        "display":{
            "en-US":"completed"
        }
    },
    "object":{
        "objectType":"Activity",
        "id":"http://assessment/id/1",
        "definition":{
            "name":{
                "en-US":"final assessment"
            },
            "description":{
                "en-US":"this is the final assessment"
            },
            "type":"http://adlnet.gov/expapi/activities/assessment",
            "extensions":{
                "https://w3id.org/xapi/acrossx/extensions/alignment":["Know and apply grade-level phonics and word analysis skills in decoding words."],
                "https://w3id.org/xapi/acrossx/extensions/time-limit":"PT2H30M",
                "https://w3id.org/xapi/acrossx/extensions/total-items":10,
                "https://w3id.org/xapi/acrossx/extensions/total-score":100,
                "https://w3id.org/xapi/acrossx/extensions/pass-score":60
            }
        }
    },
    "result":{
        "score":{
            "min":20,
            "raw":90,
            "max":90
        },
        "success":true,
        "completion":true,
        "duration":"PT1H",
        "extensions":{
            "http://id.tincanapi.com/extension/ending-point":"2015-09-21T06:45:30Z"
        }
    },
    "context":{
        "instructor":{
            "objectType":"Agent",
            "name":"Teacher",
            "mbox":"mailto:teacher@visca.com"
        },
        "platform":"http://platform/assessing",
        "language":"en-US",
        "contextActivities":{
            "category":[
                {
                    "objectType":"Activity",
                    "id":"https://w3id.org/xapi/acrossx/profile/assessment"
                }
            ]
        },
        "extensions":{
            "http://id.tincanapi.com/extension/browser-info":{ "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true }
        }
    },
    "authority":{
      "objectType":"Agent",
      "name":"Roger",
      "mbox":"mailto:roger@visca.com"
    },
    "timestamp":"2015-09-21T05:45:30Z"
}

Actor K interacted with test/quiz/exam A, item 1, option B

e.g. Roger selected option B from the question A.

Property Type Description Example Required Best Practice
actor Agent Object Person who interacted with the item {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Required
verb.id URL The verb http://adlnet.gov/expapi/verbs/interacted Required
verb.display.en-US String The verb display interacted Recommended
object.objectType String Question is a kind of "Activity" Activity Required
object.id URL Hyperlink of the question http://question/item1/id/1 Required item 1 must have a unique id, at least have a number following its parent's id
object.definition.name.en-US String title/item number item 1 Recommended
object.definition.description.en-US String The stem of the question Who is handsome? Optional
object.definition.type URL The type of the activity is a kind of "cmi.interaction" http://adlnet.gov/expapi/activities/cmi.interaction Required
object.definition.interactionType String Multiple choice choice Recommended
object.definition.correctResponsesPattern Array of Strings To define that video is a kind of activity ["king"] Recommended
object.definition.choices Array of Objects Choices [{ "id":"laker", "description":{ "en-US":"Kobe Bryant" } }, { "id":"thunder", "description":{ "en-US":"Kevin Durant" } }] Optional
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/alignment Array of String Academic standards,such as CCSS,PISA,etc. ["Know and apply grade-level phonics and word analysis skills in decoding words."] Recommended It should be an array contains hyperlinks(Array of URL)
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/blooms-level String Blooms Level:
  • Remembering
  • Understanding
  • Applying
  • Analyzing
  • Evaluating
  • Creating
Applying Recommended
result.response String Content of answer laker Required
context.instructor Agent Object instructor {"objectType":"Agent","name":"teacher","mbox":"mailto:teacher@visca.com"} Required
context.language String The language used in this scenario en-US Optional
context.contextActivities.parent[0] Activity Object Parent Activity of this question { "objectType":"Activity", "id":"http://assessment/id/1", "definition":{ "name":{ "en-US":"Final Assessment" }, "type":"http://adlnet.gov/expapi/ activities/assessment" } } Recommended
context.contextActivities.category[0] Activity Object Profile Activity of the assessment { "objectType":"Activity", "id":"https://w3id.org/xapi/acrossx/profile/assessment" } Required
context.platform String platform http://platform/assessing Recommended Use the URL to present the platform website
context.extensions.http://id.tincanapi.com/extension/browser-info Navigator Object browser { "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true } Recommended
authority Agent Object The learner {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Optional
timestamp ISO 8601 String The time user choose an answer 2015-09-21T05:45:30Z Optional VisCa will use the time when the statement was received if not provided
{
    "actor":{
        "objectType":"Agent",
        "name":"Roger",
        "mbox":"mailto:roger@visca.com"
    },
    "verb":{
        "id":"http://adlnet.gov/expapi/verbs/interacted",
        "display":{
            "en-US":"interacted"
        }
    },
    "object":{
        "objectType":"Activity",
        "id":"http://question/item/id/1",
        "definition":{
          "description":{
                "en-US":"Who is handsome?"
            },
            "type":"http://adlnet.gov/expapi/activities/cmi.interaction",
            "interactionType":"choice",
            "correctResponsesPattern":["laker"],
            "choices":[
                {
                    "id":"laker",
                    "description":{
                        "en-US":"Kobe Bryant"
                    }
                },
                {
                    "id":"thunder",
                    "description":{
                        "en-US":"Kevin Durant"
                    }
                }
            ],
            "extensions":{
                "https://w3id.org/xapi/acrossx/extensions/alignment":["Know and apply grade-level phonics and word analysis skills in decoding words."],
                "https://w3id.org/xapi/acrossx/extensions/blooms-level":"Applying"
            }
        }
    },
    "result":{
        "response":"laker"
    },
    "context":{
        "instructor":{
            "objectType":"Agent",
            "name":"Teacher",
            "mbox":"mailto:teacher@visca.com"
        },
        "platform":"http://platform/assessing",
        "language":"en-US",
        "contextActivities":{
              "parent":[{
                  "objectType":"Activity",
                  "id":"http://assessment/id/1",
                  "definition":{
                      "name":{
                          "en-US":"Final Assessment"
                      },
                      "type":"http://adlnet.gov/expapi/activities/assessment"
                  }
              }],
            "category":[
                {
                    "objectType":"Activity",
                    "id":"https://w3id.org/xapi/acrossx/profile/assessment"
                }
            ]
        },
        "extensions":{
            "http://id.tincanapi.com/extension/browser-info":{ "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true }
        }
    },
    "authority":{
      "objectType":"Agent",
      "name":"Roger",
      "mbox":"mailto:roger@visca.com"
    },
    "timestamp":"2015-09-21T05:45:30Z"
}

Actor K read feedback/hint when answering test/quiz/exam A, item 1

e.g. Roger read the feedback for the question item 1.

Property Type Description Example Required Best Practice
actor Agent Object Person who read the feedback {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Required
verb.id URL The verb https://w3id.org/xapi/adb/verbs/read Required
verb.display.en-US String The verb display read Recommended
object.objectType String Question is a kind of "Activity" Activity Required
object.id URL Hyperlink of the question http://question/item/id/1 Required item 1 must have a unique id, at least have a number following its parent's id
object.definition.name.en-US String title/item number item 1 Recommended
object.definition.description.en-US String The stem of the question Who is handsome? Optional
object.definition.type URL The type of the activity is a kind of "cmi.interaction" http://adlnet.gov/expapi/activities/cmi.interaction Required
object.definition.interactionType String Multiple choice choice Recommended
object.definition.correctResponsesPattern Array of Strings To define that video is a kind of activity king Recommended
object.definition.choices Array of Objects Choices [{ "id":"laker", "description":{ "en-US":"Kobe Bryant" } }, { "id":"thunder", "description":{ "en-US":"Kevin Durant" } }] Optional
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/alignment Array of String Academic standards,such as CCSS,PISA,etc. ["Know and apply grade-level phonics and word analysis skills in decoding words."] Recommended It should be an array contains hyperlinks(Array of URL)
object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/blooms-level String Blooms Level:
  • Remembering
  • Understanding
  • Applying
  • Analyzing
  • Evaluating
  • Creating
Applying Recommended
object.definition.extensions.https://w3id.org/xapi/acrossX/extensions/supplemental-info String/Activity Object/URL Hint or feedback revealed Your hint! Required if the hint points to a content, like a video, please record its IRI or Activity Object here
result.duration ISO 8601 Duration Time spent PT1M10S Recommended
context.instructor Agent Object instructor {"objectType":"Agent","name":"teacher","mbox":"mailto:teacher@visca.com"} Required
context.language String The language used in this scenario en-US Optional
context.contextActivities.parent[0] Activity Object Parent Activity of this question { "objectType":"Activity", "id":"http://assessment/id/1", "definition":{ "name":{ "en-US":"Final Assessment" }, "type":"http://adlnet.gov/expapi/ activities/assessment" } } Recommended
context.contextActivities.category[0] Activity Object Profile Activity of the assessment { "objectType":"Activity", "id":"https://w3id.org/xapi/acrossx/profile/assessment" } Required
context.platform String platform http://platform/assessing Recommended Use the URL to present the platform website
context.extensions.http://id.tincanapi.com/extension/browser-info Navigator Object browser { "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true } Recommended
authority Agent Object The learner {"objectType":"Agent","name":"Roger","mbox":"mailto:roger@visca.com"} Optional
timestamp ISO 8601 String The time user close or finish reading hint/feedback 2015-09-21T05:45:30Z Optional VisCa will use the time when the statement was received if not provided

{
    "actor":{
        "objectType":"Agent",
        "name":"Roger",
        "mbox":"mailto:roger@visca.com"
    },
    "verb":{
        "id":"https://w3id.org/xapi/adb/verbs/read",
        "display":{
            "en-US":"read"
        }
    },
    "object":{
        "objectType":"Activity",
        "id":"http://question/item/id/1",
        "definition":{
          "description":{
                "en-US":"Who is handsome?"
            },
            "type":"http://adlnet.gov/expapi/activities/cmi.interaction",
            "interactionType":"choice",
            "correctResponsesPattern":["laker"],
            "choices":[
                {
                    "id":"laker",
                    "description":{
                        "en-US":"Kobe Bryant"
                    }
                },
                {
                    "id":"thunder",
                    "description":{
                        "en-US":"Kevin Durant"
                    }
                }
            ],
            "extensions":{
                "https://w3id.org/xapi/acrossx/extensions/alignment":["Know and apply grade-level phonics and word analysis skills in decoding words."],
                "https://w3id.org/xapi/acrossx/extensions/blooms-level":"Applying",
                "https://w3id.org/xapi/acrossX/extensions/supplemental-info":"your hint!"
            }
        }
    },
    "result":{
        "duration":"PT1M10S"
    },
    "context":{
        "instructor":{
            "objectType":"Agent",
            "name":"Teacher",
            "mbox":"mailto:teacher@visca.com"
        },
        "platform":"http://platform/assessing",
        "language":"en-US",
        "contextActivities":{
              "parent":[{
                  "objectType":"Activity",
                  "id":"http://assessment/id/1",
                  "definition":{
                      "name":{
                          "en-US":"Final Assessment"
                      },
                      "type":"http://adlnet.gov/expapi/activities/assessment"
                  }
              }],
            "category":[
                {
                    "objectType":"Activity",
                    "id":"https://w3id.org/xapi/acrossx/profile/assessment"
                }
            ]
        },
        "extensions":{
            "http://id.tincanapi.com/extension/browser-info":{ "code_name": "Mozilla", "name": "Netscape", "version": "5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "platform": "MacIntel", "user-agent-header": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36", "cookies-enabled": true }
        }
    },
    "authority":{
      "objectType":"Agent",
      "name":"Roger",
      "mbox":"mailto:roger@visca.com"
    },
    "timestamp":"2015-09-21T05:45:30Z"
}

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