Although no medication has yet received FDA approval for treating cannabis use disorder, one has shown effectiveness in relieving cannabis withdrawal symptoms. That medication is

Until about 25 years ago, a homosexual orientation

A) was never viewed as abnormal. B) was considered to be a mental disorder. C) was viewed as an orientation chosen by an individual. D) was thought to be fairly prevalent in the general population.

Describe the independent variable in this study.

A researcher tested whether exposure to images of very thin fashion models causes young women to be dissatisfied with their own body, compared to exposure to athletic body images or neutral (non-body) images. She randomly assigned 120 women from an introductory psychology course to one of three exposure conditions: very thin female images, athletic female images, or neutral images (e.g., household objects). Each condition had 10 images, projected individually on a large screen. The young women participated in small groups. Each image was displayed for 1 minute, for a total of 10 minutes of exposure. After viewing each image, participants wrote for 30 seconds a description of the image (the participants were led to believe their memory was being tested). After viewing the images, the women completed a questionnaire about satisfaction with their body. Negative scores indicate body dissatisfaction and positive scores indicate satisfaction with their body. The mean scores for each condition were as follows: