In 1974, Loftus and Palmer conducted a classic study demonstrating how the language used to ask a
Question:
Estimated Speed
Smashed into ............. Hit
n = 15 ..................... n = 15
M = 40.8 ............... M = 34.0
SS = 510 ............... SS = 414
a. Do the results indicate a significantly higher estimated speed for the "smashed into" group? Use a one-tailed test with α = .01.
b. Compute the estimated value for Cohen's d to measure the size of the effect.
c. Write a sentence demonstrating how the results of the hypothesis test and the measure of effect size would appear in a research report?
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Related Book For
Statistics For The Behavioral Sciences
ISBN: 9781111830991
9th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
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