question_radio: Radio question

In learnr: Interactive Tutorials for R

Description

Creates a radio button tutorial quiz question. The student can select only one radio button before submitting their answer.

Usage

question_radio(
  text,
  ...,
  correct = "Correct!",
  incorrect = "Incorrect",
  try_again = incorrect,
  allow_retry = FALSE,
  random_answer_order = FALSE
)

Arguments

text	Question or option text
...	answers and extra parameters passed onto question.
correct	For question, text to print for a correct answer (defaults to "Correct!"). For answer, a boolean indicating whether this answer is correct.
incorrect	Text to print for an incorrect answer (defaults to "Incorrect") when allow_retry is FALSE.
try_again	Text to print for an incorrect answer (defaults to "Incorrect") when allow_retry is TRUE.
allow_retry	Allow retry for incorrect answers. Defaults to FALSE.
random_answer_order	Display answers in a random order.

Details

Note: Multiple correct answers are allowed.

See Also

question_checkbox, question_text

Examples

question_radio(
  "Pick the letter B",
  answer("A"),
  answer("B", correct = TRUE),
  answer("C"),
  answer("D"),
  allow_retry = TRUE,
  random_answer_order = TRUE
)

Example output

Question: "Pick the letter B"
  type: "learnr_radio"
  allow_retry: TRUE
  random_answer_order: TRUE
  answers:
    X: "A"
    ✔: "B"
    X: "C"
    X: "D"
  messages:
    correct: "Correct!"
    incorrect: "Incorrect"
    try_again: "Incorrect" 

learnr documentation built on March 26, 2020, 7:45 p.m.