Class "TextGapOpal"

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

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 character vector containing the values considered as correct answers.

case_sensitive

A boolean value, determining whether the evaluation of the correct answer is case sensitive. Default is FALSE.

tolerance

A numeric value defining how many characters will be taken into account to tolerate spelling mistakes in the evaluation of candidate answers. Default is 0.

See also

Entry, NumericGap, TextGap and InlineChoice.

Examples

tgo <- new("TextGapOpal",
          response_identifier = "id_gap_1234",
          points = 2,
          placeholder = "do not put special characters",
          expected_length = 20,
          solution = "answer",
          case_sensitive = FALSE,
          tolerance = 1)