Participating in a psychology experiment, Hannah hears this list of words: “truck . . . wheel . . . motorcycle . . . taxicab . . . bus . . . van . . . bicycle . . . street . . .”  In which of the following hypotheses might we have the most confidence?

Which of the following is the best reason that we have trouble remembering the license plate number of a car that we just passed 10 minutes ago?

The Hawthorne effect refers to changes in behavior associated with

The somatic nervous system allows

Because psychologists generally use college students as research participants, the research does NOT involve

Which of the following is an example of critical thinking?

A researcher investigated how two different flirting styles affected the person being flirted with. The researcher categorized “happiness” in the person being flirted with based on the number of times that person smiled in a 15-minute period. In this research the number of smiles is

A researcher believes that presenting possible suspects in a lineup one at a time instead of in a group would lead to more accurate identification of the true suspect. This belief represents a(n)

Circadian rhythms can best be described as

If you want to increase the production of melatonin, you should