Jeanne just finished participating in a study on drinking ha…

Jeanne just finished participating in a study on drinking habits of college students.  Before she leaves, the researcher informs her that the study was a correlational study, aimed at investigating what personality traits are related to students’ perceptions of their own drinking habits.  This portion of the study is considered the:

Louie used to smoke when he was stressed out, but he quit sm…

Louie used to smoke when he was stressed out, but he quit smoking eight years ago. After a stressful week at work, he finds his craving for a cigarette returned, though not as strong as it used to be. This experience is best explained by which of the following concepts?