Which of the following statements is true of range effects?
A) They increase the variability of scores within affected treatments.
B) They increase the differences among treatment means.
C) They are useful as they prevent a redesign of a study.
D) They occur when the values of a variable have an upper or lower limit.

Question

Quizplus · Accepted Answer

Range effects occur when the values of a variable have an upper or lower limit, which can affect the interpretation of data by limiting the range of possible scores.

Which of the Following Statements Is True of Range Effects