Researchers Used Computer Graphics to Generate Composite Faces That Reflected

question 117

Multiple Choice

Researchers used computer graphics to generate composite faces that reflected the exact mathematical average of the facial features of a large number of individual photographs. They then asked participants to rate the attractiveness of the composite photograph and the individual photographs that were combined to make up the composite. These researchers found that __________.

• A) participants preferred the composite photo to the individual photos
• B) women responded more positively to the composite photos than did men
• C) participants preferred "babyfaced" individual photos to the composite photo
• D) participants thought they had previously met the person in the composite photo

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Definitions:

Estimator

A rule or formula that provides a means to calculate an estimate of a given parameter from sample data.

Parameter

A value that summarizes a characteristic of a population or a statistical model.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, expressed with a certain level of confidence.

Confidence Level

A confidence level is a statistical parameter that expresses how certain one is in the results of a statistical experiment, often represented as a percentage that quantifies the probability that the true parameter lies within the confidence interval.