To increase power, the easiest variable to control in designing an experiment is usually

a. the difference between the population means.
b. the sample size.
c. the sample standard deviation.
d. the shape of the distribution.

B

Psychology

You might also like to view...

The incidence of preterm births in the United States is now at _____

A) 10% B) 12% C) 14% D) 16%

Psychology

Anne mentions that her cousin has a congenital anomaly. You would know that this is sometimes also referred to as:

a. a sex-linked trait b. a birth defect c. an autosomal disorder d. a heterozygous trait

Psychology