ItemCharacteristicss
http://www.sifinfo.org/infrastructure/2.x
Documentation
This object provides specific information about each assessment item. This information includes an analysis, psychometric measures, reliability and validity information. This item-level information assists in interpreting assessment scores as well as aide in improving teaching and learning.
Tree
Table
Name | Mandatory | Characteristics | Type | Description | XPath |
---|---|---|---|---|---|
@RefId | * | M | RefIdType | /ItemCharacteristicss/ItemCharacteristics/@RefId | |
@AssessmentItemRefId | * | M | IdRefType | This RefId points to the assessment item of which the characteristics are a part. | /ItemCharacteristicss/ItemCharacteristics/@AssessmentItemRefId |
@AssessmentFormRefId | * | M | IdRefType | This RefId points to the assessment form of which the item is a part. | /ItemCharacteristicss/ItemCharacteristics/@AssessmentFormRefId |
PercentCorrect | O | decimal | Number of correct answers in sample. | /ItemCharacteristicss/ItemCharacteristics/PercentCorrect | |
SampleSize | O | integer | Number of total Item exposures. | /ItemCharacteristicss/ItemCharacteristics/SampleSize | |
SampleDescription | O | normalizedString | The description of the Sample the statistics are based on. May be District name, State or National sample. | /ItemCharacteristicss/ItemCharacteristics/SampleDescription | |
@MeasurementCode | O | string | A code representing the type of statistic or analysis. | /ItemCharacteristicss/ItemCharacteristics/Measurements/Measurement/@MeasurementCode | |
MeasurementDescription | O | string | An additional description of the statistic or analysis. | /ItemCharacteristicss/ItemCharacteristics/Measurements/Measurement/MeasurementDescription | |
ScaleValue | O | token | The value of the Item based on this analysis | /ItemCharacteristicss/ItemCharacteristics/Measurements/Measurement/ScaleValue | |
Min | O | token | The minimum value possible for the measurement and test design. | /ItemCharacteristicss/ItemCharacteristics/Measurements/Measurement/Min | |
Max | O | token | The maximum value possible for the measurement and test design. | /ItemCharacteristicss/ItemCharacteristics/Measurements/Measurement/Max | |
Optimal | O | token | The optimal value for this measurement and test design. | /ItemCharacteristicss/ItemCharacteristics/Measurements/Measurement/Optimal | |
PValue | O | float | The percent of respondents who answered correctly. This number represents the probability of the correct response to a question. | /ItemCharacteristicss/ItemCharacteristics/Descriptive/PValue | |
SampleSize | O | integer | The size of the student group that saw the item. | /ItemCharacteristicss/ItemCharacteristics/Descriptive/SampleSize | |
PointBiserial | string | /ItemCharacteristicss/ItemCharacteristics/Descriptive/PointBiserial | |||
Biserial | string | /ItemCharacteristicss/ItemCharacteristics/Descriptive/Biserial | |||
DiscriminationIndex | string | /ItemCharacteristicss/ItemCharacteristics/Descriptive/DiscriminationIndex | |||
CMH | string | /ItemCharacteristicss/ItemCharacteristics/DifferentialItemAnalysis/CMH | |||
MH | string | /ItemCharacteristicss/ItemCharacteristics/DifferentialItemAnalysis/MH | |||
ChoiceLabel | * | M | token | Identifier for the choice. | /ItemCharacteristicss/ItemCharacteristics/ResponseChoicePattern/Choice/ChoiceLabel |
Responses | * | M | integer | The number of responses. | /ItemCharacteristicss/ItemCharacteristics/ResponseChoicePattern/Choice/Responses |
Type | * | M | normalizedString | This element is designed to contain the time period attached to an object.Very long periods (school year, quarter, etc.) and very small periods (second, millisecond, etc.) can be defined.This element provides a scoping description of the time metadata enclosed. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/Type |
Code | * | M | token | This element provides a place for the application to send structured data (code values, unique identifier, timestamps).This code value can, depending upon the use case agreement between agents, be used to qualify the data in the | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/Code |
Name | * | M | normalizedString | Contains a human-readable description of the value in | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/Name |
Value | * | M | normalizedString | Contains the human-readable value. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/Value |
StartDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/StartDateTime | ||
EndDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/EndDateTime | ||
Type | * | M | normalizedString | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/SpanGaps/SpanGap/Type | |
Code | * | M | token | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/SpanGaps/SpanGap/Code | |
Name | * | M | normalizedString | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/SpanGaps/SpanGap/Name | |
Value | * | M | normalizedString | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/SpanGaps/SpanGap/Value | |
StartDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/SpanGaps/SpanGap/StartDateTime | ||
EndDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/SpanGaps/SpanGap/EndDateTime | ||
IsCurrent | * | M | boolean | This element allows for the system to tag an object as being explicitly current.Although the baseline assumption in SIF is that objects are always current (default value is typically | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/TimeElements/TimeElement/IsCurrent |
DateTime | * | M | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/Created/DateTime | |
Name | * | M | normalizedString | Human-readable name of the data's creator. If the object contains system-generated data,the name should identify the creating service or application. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/Created/Creators/Creator/Name |
ID | * | M | normalizedString | Unique identifier of the creator. An email address or URI could be used here. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/Created/Creators/Creator/ID |
By | * | M | normalizedString | Identifier of the system or person that modified the data. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/ModificationHistory/Modified/By |
DateTime | * | M | dateTime | The date/time the modification occurred. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/ModificationHistory/Modified/DateTime |
Description | O | string | Human readable description of the data modifications. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/ModificationHistory/Modified/Description | |
Type | * | M | normalizedString | This element is designed to contain the time period attached to an object.Very long periods (school year, quarter, etc.) and very small periods (second, millisecond, etc.) can be defined.This element provides a scoping description of the time metadata enclosed. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/Type |
Code | * | M | token | This element provides a place for the application to send structured data (code values, unique identifier, timestamps).This code value can, depending upon the use case agreement between agents, be used to qualify the data in the | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/Code |
Name | * | M | normalizedString | Contains a human-readable description of the value in | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/Name |
Value | * | M | normalizedString | Contains the human-readable value. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/Value |
StartDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/StartDateTime | ||
EndDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/EndDateTime | ||
Type | * | M | normalizedString | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/SpanGaps/SpanGap/Type | |
Code | * | M | token | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/SpanGaps/SpanGap/Code | |
Name | * | M | normalizedString | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/SpanGaps/SpanGap/Name | |
Value | * | M | normalizedString | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/SpanGaps/SpanGap/Value | |
StartDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/SpanGaps/SpanGap/StartDateTime | ||
EndDateTime | O | dateTime | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/SpanGaps/SpanGap/EndDateTime | ||
IsCurrent | * | M | boolean | This element allows for the system to tag an object as being explicitly current.Although the baseline assumption in SIF is that objects are always current (default value is typically | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/LifeCycle/TimeElements/TimeElement/IsCurrent |
Cost | O | boolean | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/Cost | ||
UseType | * | M | string | A description of the fee structure for this resource.Some resources may be licensed differently depending upon their context.For example, a content provider might charge one fee structure for resources used in the classroom and a separate fee for thoseresources available to parents from home. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/FeesForUse/FeeForUse/UseType |
MeteringType | * | M | token | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/FeesForUse/FeeForUse/MeteringType | |
MeteringURL | O | anyURI | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/FeesForUse/FeeForUse/MeteringURL | ||
@Currency | O | ISO4217CurrencyNamesAndCodeElementsType | Currency code. Where omitted, defaults to implementation-defined local currency, typically | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/FeesForUse/FeeForUse/PerUseCharge/@Currency | |
PerUseCharge | O | MonetaryAmountType | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/FeesForUse/FeeForUse/PerUseCharge | ||
CopyrightStatement | O | string | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/CopyrightStatement | ||
TermsOfUse | O | string | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/RightsElements/RightsElement/TermsOfUse | ||
MediaType | * | MR | token | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/MediaTypes/MediaType | |
Code | * | M | string | Code representing the grade level. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/GradeLevels/GradeLevel/Code |
@Codeset | * | M | string | Describes the OtherCode element content as either a state/province code, a local code, other code, or text string. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/GradeLevels/GradeLevel/OtherCodeList/OtherCode/@Codeset |
OtherCode | * | MR | string | A state/province code, local code, other code or a text string that crosswalks to or serves as a translation of an associated Code element. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/GradeLevels/GradeLevel/OtherCodeList/OtherCode |
Code | * | M | string | The subject area code (i.e., the first two digits of the course classification code). | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/SubjectAreas/SubjectArea/Code |
@Codeset | * | M | string | Describes the OtherCode element content as either a state/province code, a local code, other code, or text string. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/SubjectAreas/SubjectArea/OtherCodeList/OtherCode/@Codeset |
OtherCode | * | MR | string | A state/province code, local code, other code or a text string that crosswalks to or serves as a translation of an associated Code element. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/SubjectAreas/SubjectArea/OtherCodeList/OtherCode |
Code | * | M | string | Code representing the grade level. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/InterestLevels/InterestLevel/Code |
@Codeset | * | M | string | Describes the OtherCode element content as either a state/province code, a local code, other code, or text string. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/InterestLevels/InterestLevel/OtherCodeList/OtherCode/@Codeset |
OtherCode | * | MR | string | A state/province code, local code, other code or a text string that crosswalks to or serves as a translation of an associated Code element. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/InterestLevels/InterestLevel/OtherCodeList/OtherCode |
LearningStandardItemRefId | * | MR | IdRefType | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/LearningStandardItems/LearningStandardItemRefId | |
BloomsTaxonomyLevel | OR | string | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/BloomsTaxonomyLevels/BloomsTaxonomyLevel | ||
MultipleIntelligence | OR | string | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/MultipleIntelligences/MultipleIntelligence | ||
InstructionalStrategy | OR | string | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/InstructionalStrategies/InstructionalStrategy | ||
Title | O | normalizedString | The title of the content. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/Title | |
Summary | O | string | A summary of the content. | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/Summary | |
LearningObjective | * | MR | string | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/LearningObjectives/LearningObjective | |
ResourceType | * | MR | string | /ItemCharacteristicss/ItemCharacteristics/SIF_Metadata/EducationFilter/ResourceTypes/ResourceType | |
@Name | * | M | normalizedString | The name of the extended element. As it is possible that names for extended elements may collide from agent to agent, it is recommended that the names of extended elements be configurable in an agent, or that agents use URIs for the names of extended elements. | /ItemCharacteristicss/ItemCharacteristics/SIF_ExtendedElements/SIF_ExtendedElement/@Name |
@SIF_Action | O | string | In a Change event, this flag can be used to indicate an element has been deleted from the parent list container. At a minimum the key for the list must also be present. | /ItemCharacteristicss/ItemCharacteristics/SIF_ExtendedElements/SIF_ExtendedElement/@SIF_Action | |
SIF_ExtendedElement | OR | SIF_ExtendedElementType | A name/value pair, the name being contained in the Name attribute, the value being the element content. | /ItemCharacteristicss/ItemCharacteristics/SIF_ExtendedElements/SIF_ExtendedElement |
Download: .xlsx (with Formats)
Structure
Download: .xml