DrMcAshan Is Going to Conduct a Study Where She Uses

question 21

Multiple Choice

Dr.McAshan is going to conduct a study where she uses computer software that stretches a human body image on either a horizontal or vertical axis.Participants will be able to alter the image on these dimensions until it fits with what they think they look like.Based on reading the existing research, Dr.McAshan hypothesizes:

• A) there will be no differences between participants with and without eating disorders on this task
• B) only those with anorexia will adjust the image in ways that show a distortion of their body image to higher weights than they really are
• C) only those with bulimia will adjust the image in ways that show a distortion of their body image to higher weights than they really are
• D) both those with anorexia and bulimia will adjust the image in ways that show a distortion of their body image to higher weights than they really are

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Definitions:

Alternative Hypothesis

A statement that suggests there is a statistically significant difference between two or more data sets, contrary to the null hypothesis.

P-value

The likelihood of seeing a test statistic that is as extreme or more so than what was observed, assuming the null hypothesis is correct.

Sample Standard Deviation

A measure of variation or dispersion within a sample set of values, similar to standard deviation but specifically applied to samples rather than whole populations.

Null Hypothesis

A statement used in hypothesis testing that assumes no effect or no difference in the performance or characteristics being tested.