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 button 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:
Hours 12 11
Hours 10 8
Hours 7 5
Source DF SS MS F
x Practice 0.073
A.Complete the ANOVA summary table.
the values of Fobt significant at a = .05? At a = .01?
conclusions can be drawn from the F-ratios?
is the effect size, and what does this mean?
Note: Please explain in detail how you arrived at each of
the answers. I am trying to learn this material.
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