A true-false question that is true should take how long to answer?

The rationale for selecting 15 seconds as the appropriate amount of time to answer a true-false question lies in the nature of the question itself. True-false questions are designed to assess basic understanding or recall of information, typically requiring straightforward assessments of statements without complex reasoning.

In a testing environment, allocating around 15 seconds allows sufficient time for the tester to read the statement carefully, reflect on their knowledge, and make a confident decision whether the statement is true or false. This duration balances the need for thoughtful consideration with the efficient pacing required in a timed test, particularly for a type of question that generally should not demand extensive or in-depth thought.

Longer time frames, such as 30 seconds or 1 minute, might be excessive for true-false questions, which do not typically involve intricate analysis, whereas too brief a time frame, like 10 seconds, could rush the tester and lead to mistakes due to oversight. Thus, the 15-second timeframe strikes an ideal balance for accuracy and efficiency in responding to true-false questions.