Research is reported in which the t-test is used to make multiple comparisons within the groups established for the study. Which of the following statements would someone reading the research correctly include in a critique of the study?
a. "The researcher did not appear to know how to make correct use of the t-test."
b. "The t-test is the correct statistic to use when making comparisons between groups."
c. "There is concern over a Type II error caused by the multiple use of t-tests."
d. "With no mention of the Bonferroni procedure, it is difficult to judge the levels of significance."
ANS: D
It is appropriate to comment on the amount of information provided on the use of specific procedures, in regard to evaluating if significance has been reached.
Making statements alluding that the researcher lacks knowledge is inappropriate in a critique.
t-test is not the correct statistic to use when making comparisons between groups.
Type I errors are of more concern when there is a multiple use of t-tests.
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