Figure: A Researcher Tested Whether Exposure to Images of Very Thin

Multiple Choice

Figure:
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 60 women from an introductory psychology course to one of three exposure conditions: very thin female body images,athletic female images,or neutral images.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:
-The use of very thin images and neutral images in this study represents

A) a partial replication of previous findings for the effects of viewing body images.
B) a block randomization procedure.
C) a confidence interval for the population means.
D) none of these