Schemas

• acp-scale@0.2

  Expand all

  object [Assessment Content Package: Scale]

  uid: acp-scale@0.2

  Specification for assessment content package scale.

  id

  required

  string

  Identifier referred by other scales and assessment output.

  name

  Expand all

  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

  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.

  scaleType

  required

  string

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

  typeParameters

  Expand all

  required

  oneOf

  Every type needs a different set of parameters.

  Adheres to:

  Expand all

  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

  Expand all

  oneOf

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

  Adheres to:

  Expand all

  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:

  Expand all

  object

  Parameters for the processing method CODE_COUNT.

  codeValue

  required

  number

  Value of code to be counted

  Additional properties are NOT allowed.

  items

  Expand all

  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

  Expand all

  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:

  Expand all

  object

  These parameters will be used for scaleType DERIVED

  source

  required

  string

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

  mappings

  Expand all

  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

  Expand all

  required

  array<string>

  non-empty

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

  Items:

  string

  newValue

  required

  number

  Value as outcome of this scale

  valueLabel

  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.

  valueDescription

  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.

  Additional properties are NOT allowed.

  elseValue

  number

  Value if no mapping matches

  Default value:0

  elseValueLabel

  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.

  elseValueDescription

  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.

  relatedVocabularies

  Expand all

  array<object>

  Refers to public vocabularies to map the proficiency level to well known concepts

  object

  url

  required

  string

  URL to access the related vocabulary

  name

  string

  Shorthand title or name to understand the relation quickly

  values

  Expand all

  required

  array<object>

  non-empty

  object

  value

  required

  number

  url

  required

  string

  relationShip

  string

  Default value:"SAME_AS"

  Allowed values:
  • "SAME_AS"
  • "ALIKE"

  Additional properties are NOT allowed.

  Additional properties are NOT allowed.

  Additional properties are NOT allowed.

  Or to:

  Expand all

  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

  Expand all

  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.