What is the name of the instrument that logs the pattern of a rat's responding in a Skinner box?

On weekdays most adolescent crime occurs:

A) during school. B) after school. C) in the morning. D) between midnight and 3 AM.

Why are many psychologists concerned about the replicability of their research? a. The U.S. government passed a law requiring every research study to be replicated. b. Apparently significant results can occur by accident

c. Researchers have been shifting from p levels to 95 percent confidence levels. d. Psychological researchers are unable to measure anything accurately.