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emmaja121003
emmaja121003
30.07.2021 • 
Mathematics

In 1974, Loftus and Palmer conducted a classic study demonstrating how the language used to ask a question can influence eyewitness memory. In the study, college students watched a film of an automobile accident and then were asked questions about what they saw. One group was asked, "About how fast were the cars going when they smashed into each other?" Another group was asked the same question except the verb was changed to hit instead of smashed into. The smashed "group reported significantly higher estimates of speed than the hit group. Suppose a researcher repeats this study with a sample of today college students and obtains the following results. Estimated Speed
Smashed into Hit
N = 15 n = 15
M = 40.8 M = 34.0
SS = 510 SS = 414
Do the results indicate a significantly higher mean for the smashed into group? Use a one tailed test with a - .01.

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