Question: A researcher is attempting to determine the effects of practice and gender on a timed task. Participants in an experiment are given a computerized search task. They search a computer screen of various characters and attempt to find a particular character on each trial. When they find the designated character, they press a burton to stop a timer. Their reaction time (in seconds) on each trial is recorded. Subjects practice for 2,4 , or 6 hours and are either female or male. The reaction time data for the 30 subjects appear here.

1. Complete the ANOVA summary able (if your instructor wants you to calculate the sums of squares, use the preceding data to do so.)
2. Are the values of \(F_{obt}\) signiftcant at .05? At . 01?
3. What conclusions can be draun from the F-ratios?
4. What is the effect size, and what does this mean?
5. Gaph the means.

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