________________ in the blood would likely reduce the amount of drug available to act in target sites, such as the brain.

R = 0.15, is this a small, medium, or large effect?

a. Small b. Medium c. Large

A directional hypothesis is also known as a(n) _____ hypothesis, and a nondirectional hypothesis is also known as a(n) _____ hypothesis

a. null; alternative b. alternative; null c. one-tailed; two-tailed d. two-tailed; one-tailed