You Witness a Crime and Are Asked to Take Part

question 54

Multiple Choice

You witness a crime and are asked to take part in an eyewitness lineup. You are aware of how unreliable they can be, but you hope to help the police apprehend the correct person. Which statement is one of the recommendations you have read about regarding eyewitness lineups?

• A)They should be conducted "double-blind."
• B)They should always include the person who committed the crime.
• C)They should be conducted without instruction to not bias you.
• D)They should not be videotaped.

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Definitions:

Df

Short for Degrees of Freedom, it represents the number of independent pieces of information available to estimate another piece of information.

F-Ratio

A statistical value used to compare variances in analyses of variance (ANOVA), indicating the ratio of systematic variance to error variance.

Factor B

Factor B usually represents a variable or an element in an experiment that is manipulated to observe its effect on an outcome, distinguishable from Factor A.

MSB

Mean Square Between; a term used in ANOVA to describe the average of squared differences between group means and the overall mean.