A researcher's theory that teaching the alphabet backwards shortens the time to learn letters was not found to be statistically significant.It could be that
A) this method of teaching letters is not helpful.
B) the method of teaching letters is helpful but there were problems with the design of the study.
C) the method of teaching letters is helpful but the design lacked the power to reject the false null hypothesis.
D) All of these are true.
E) None of these is true.

Question

Quizplus · Accepted Answer

Each option presents a plausible explanation for the lack of statistical significance: A) suggests the method is not effective, B) hints at potential study design flaws, and C) indicates a possible lack of statistical power to detect a true effect.

A Researcher's Theory That Teaching the Alphabet Backwards Shortens the Time