NumericGap-class {rqti}

Class "NumericGap"

Description

Class NumericGap is responsible for creating instances of input fields with numeric type of answers in question Entry type assessment tasks according to the QTI 2.1 standard.

Slots

response_identifier

A character value representing an identifier for the answer. By default, it is generated as 'id_gap_dddd', where dddd represents random digits.

points

A numeric value, optional, representing the number of points for this gap. Default is 1.

placeholder

A character value, optional, responsible for placing helpful text in the text input field in the content delivery engine.

expected_length

A numeric value, optional, responsible for setting the size of the text input field in the content delivery engine.

solution

A numeric value containing the correct answer for this numeric entry.

tolerance

A numeric value, optional, specifying the value for the upper and lower boundaries of the tolerance rate for candidate answers. Default is 0.

tolerance_type

A character value, optional, specifying the tolerance mode. Possible values:

• "exact"

• "absolute" - Default.

• "relative"

include_lower_bound

A boolean value, optional, specifying whether the lower bound is included in the tolerance rate. Default is TRUE.

include_upper_bound

A boolean value, optional, specifying whether the upper bound is included in the tolerance rate. Default is TRUE.

See Also

Entry, TextGap, TextGapOpal and InlineChoice.

Examples

ng <- new("NumericGap",
          response_identifier = "id_gap_1234",
          points = 1,
          placeholder = "use this format xx.xxx",
          solution = 5,
          tolerance = 1,
          tolerance_type = "relative",
          include_lower_bound = TRUE,
          include_upper_bound = TRUE)