Author Question: Researchers often make Type II errors when a. a Type I error occurs b. the results are ... (Read 130 times)

dmcintosh · **on:** Jul 13, 2018

Researchers often make Type II errors when

a. a Type I error occurs
b. the results are statistically significant
c. power is low
d. the effect size is large
e. they reject the null hypothesis

Question 2

A researcher who wants confidence that research results pertain to the population of interest, not just to the sample, would want to

a. reduce experimenter bias.
b. create multiple control groups.
c. increase the level of internal validity.
d. select participants by random selection.