Author Question: The most accurate statement about research articles in psychology is that A) normal curves and ... (Read 57 times)

kwoodring · **on:** Jun 20, 2018

The most accurate statement about research articles in psychology is that

A) normal curves and method of selection are occasionally mentioned, and probability is rarely discussed except in terms of statistical significance.
B) normal curves and probabilities are rarely mentioned, but the method of sampling is almost always described.
C) normal curves and probabilities are almost always mentioned, but populations and samples are rarely mentioned.
D) normal curves, probabilities, samples and populations are all almost always described.

Question 2

Dichotomizing a numeric variable usually is done so that

A) one group is high on the variable, and one group is low on the variable.
B) one group is extreme on the variable, and one group has scores near the middle range on the variable.
C) overall differences between means on the measured variable are reduced.
D) overall variance on the measured variable is increased.