Read each of the following research scenarios and then fill in the correct answer in each column of the table.

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Number of Number of Number of Number of independent experimental possible variables possible main effects interactions conditions Scenario a. Participants were randomly assigned to read a short story printed in either 12-point or 14-point font in one of three font style conditions: Courier, Times Roman, or Arial. Afterwords they answered several questions designed to measure memory recall. b. Researchers conducted an experiment to examine gender and physical attractiveness biases in juror behavior. Participants were randomly assigned to read a scenario describing a crime committed by either an attractive or unattractive woman or an attractive or unattractive man who was described as overweight or average weight.