A Type I error involves
a. the acceptance of a confidence interval when it is false.
b. the rejection of a confidence interval when it is true.
c. the acceptance of a null hypothesis when it is false.
d. the rejection of a null hypothesis when it is true.
d
You might also like to view...
Which two strategies involve the same basic processes?
a. visualizing and evaluating b. identifying important information and monitoring c. recalling and decoding d. summarizing and synthesizing
A study of a new reading training program achieved, with 100 subjects, the following results: experimental group mean = 30.25 (SD = 3.28) and control group mean = 25.14 (SD = 4.75). However, a second study with 541 subjects found experimental group mean = 28.81 (SD = 2.56) and control group mean = 26.62 (SD 2.01)
a. The first study had a higher effect size. b. The second study had a higher effect size. c. Both studies had similar effect sizes. d. None of these are true.
An investigator is studying the effect of two physical fitness programs (M and N) on boys and girls. The experimental design is a 2 x 2 factorial design. The results of the investigation might be one of the following four conditions. condition (a) condition (b) M N M N Boys X = 50 X = 60 Boys X = 50 X = 60 Girls X = 60 X = 50 Girls X = 40 X = 60 condition (c) condition (d) M N M N Boys X = 50 X =
40 None of these conditions Girls X = 60 X = 50 . Which condition shows only one possible main effect and no interaction effect? a. condition (a) c. condition (c) b. condition (b) d. condition (d)
Which of the following have "right and wrong answers"?
A. assessments B. informal activities C. measures D. tests