Schemas

• acp-scale@0.3

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  object [Assessment Content Package: Scale]

  uid: acp-scale@0.3

  Specification for assessment content package scale.

  id

  required

  string

  Identifier referred by other scales and assessment output.

  Examples values:
  • "bs2004.ma.9.global"
  • "bs2024.ma.9.3"
  • "fcr.de.reading"

  name

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  required

  array<object>

  non-empty

  Language tagged text

  object

  lang

  required

  string

  must match: ^[a-z]{2}$non-empty

  ISO-language code

  value

  required

  string

  Additional properties are NOT allowed.

  description

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  array<object>

  non-empty

  Language tagged text

  object

  lang

  required

  string

  must match: ^[a-z]{2}$non-empty

  ISO-language code

  value

  required

  string

  Additional properties are NOT allowed.

  scaleType

  required

  string

  Allowed values:
  • "BASE"
  • "DERIVED"
  • "AGGREGATED"

  typeParameters

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  required

  oneOf

  Every type needs a different set of parameters.

  Adheres to:

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  object

  These parameters will be used for scaleType BASE

  method

  required

  string

  Way how to process the item values.

  Allowed values:
  • "SCORE_SUM"
  • "SCORE_RATIO"
  • "SCORE_MEAN"
  • "SCORE_MEDIAN"
  • "WLE"
  • "CODE_COUNT"

  methodParameters

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  oneOf

  Depending on the method, different parameters may specify the processing.

  Adheres to:

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  object

  Parameters for the processing method SCORE_RATIO.

  maxValue

  required

  number

  If methodParameters is not given, the number of items will be taken as maxValue

  Additional properties are NOT allowed.

  Or to:

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  object

  Parameters for the processing method CODE_COUNT.

  codeValue

  required

  number

  Value of code to be counted

  Additional properties are NOT allowed.

  items

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  required

  array<object>

  non-empty

  List of all items providing it's value to this scale

  object

  id

  required

  string

  Identifier referring to unique identifier of item in unit list.

  parameters

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  array<object>

  List of item values relevant for processing

  object

  key

  required

  string

  Allowed values:
  • "LOGIT_FULL_CREDIT"
  • "LOGIT_PARTIAL_CREDIT_1"
  • "LOGIT_PARTIAL_CREDIT_2"
  • "LOGIT_PARTIAL_CREDIT_3"

  value

  string

  Additional properties are NOT allowed.

  weight

  number

  Default value:1

  Additional properties are NOT allowed.

  minItemNumber

  number

  Minimum number of items in responses for this scale to be reported; set '0' for unlimited

  Default value:0

  Additional properties are NOT allowed.

  Or to:

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  object

  These parameters will be used for scaleType DERIVED

  source

  required

  string

  Id of the scale providing the value for this derived scale.

  publicVocabularyUrl

  string

  Url of a public vocabulary matching this scale.

  mappings

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  required

  array<object>

  non-empty

  Applies the method to the value. The first match will go.

  object

  method

  required

  string

  Condition for evaluation

  Allowed values:
  • "EQUALS"
  • "LESS_THAN"
  • "MORE_THAN"
  • "MAX"
  • "MIN"

  parameters

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  required

  array<string>

  non-empty

  Depending on the method, additional parameter(s) is needed.

  Items:

  string

  newValue

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  required

  object

  Properties for the new value for scaleType DERIVED

  value

  required

  number

  Value as outcome of this scale

  label

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  array<object>

  non-empty

  Language tagged text

  object

  lang

  required

  string

  must match: ^[a-z]{2}$non-empty

  ISO-language code

  value

  required

  string

  Additional properties are NOT allowed.

  description

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  array<object>

  non-empty

  Language tagged text

  object

  lang

  required

  string

  must match: ^[a-z]{2}$non-empty

  ISO-language code

  value

  required

  string

  Additional properties are NOT allowed.

  publicVocabularyEntry

  string

  Url-suffix for a specific entry of a public vocabulary.

  Additional properties are NOT allowed.

  Additional properties are NOT allowed.

  else

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  required

  object

  Properties for the new value for scaleType DERIVED

  value

  required

  number

  Value as outcome of this scale

  label

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  array<object>

  non-empty

  Language tagged text

  object

  lang

  required

  string

  must match: ^[a-z]{2}$non-empty

  ISO-language code

  value

  required

  string

  Additional properties are NOT allowed.

  description

  Expand all

  array<object>

  non-empty

  Language tagged text

  object

  lang

  required

  string

  must match: ^[a-z]{2}$non-empty

  ISO-language code

  value

  required

  string

  Additional properties are NOT allowed.

  publicVocabularyEntry

  string

  Url-suffix for a specific entry of a public vocabulary.

  Additional properties are NOT allowed.

  Additional properties are NOT allowed.

  Or to:

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  object

  These parameters will be used for scaleType AGGREGATED

  method

  string

  Way how to process the item values.

  Default value:"SUM"

  Allowed values:
  • "SUM"
  • "MEAN"

  sources

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  required

  array<object>

  >= 2 items

  List of all scales providing it's value to this scale

  object

  id

  required

  string

  Id of the scale providing the value for this aggregation.

  weight

  number

  Factor to adapt the scale value

  Default value:1

  Additional properties are NOT allowed.

  Additional properties are NOT allowed.

  Additional properties are NOT allowed.