Elizabeth Loftus conducted research on eyewitness testimony. Participants watched a short video of a car crash and were then asked how fast the car was going when it hit another vehicle. The question used different words when referring to “hit”. 7 participants heard the word “bumped”, 7 participants the word “crashed” and another 7 participants the word “smashed”. The “bumped” group report an average speed of 25.145mph, the “crashed” group an average speed of 29.859mph and the “smashed” group a speed of 38.574mph.a. What test was done?b. Report the results in APA style and Interpret the results. ANOVAMPHSum of SquaresdfMean SquareFSig.Between Groups649.8102324.90524.166.000Within Groups242.0001813.444Total891.81020Multiple ComparisonsDependent Variable: MPHGames-HowellMean Difference95% Confidence Interval(1) group(J) group(I-J)Std. ErrorSig.Lower BoundUpper BoundBumpedCrashed-4.7141.931.076-9.90.47Smashed-13.429*1.866.000-18.43-8.43CrashedBumped4.7141.931.076-479.90Smashed-8.7142.077.003-14.26-3.17SmashedBumped13.429*1.866.0008.4318.43Crashed8.7142.077.0033.1714.26*. The mean difference is significant at the 0.05 level.

Given information: The data represents the results of test conducted for the data of car speed for…

Answered: Elizabeth Loftus conducted research on…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Elizabeth Loftus conducted research on eyewitness testimony. Participants watched a short video of a car crash and were then asked how fast the car was going when it hit another vehicle. The question used different words when referring to “hit”. 7 participants heard the word “bumped”, 7 participants the word “crashed” and another 7 participants the word “smashed”. The “bumped” group report an average speed of 25.145mph, the “crashed” group an average speed of 29.859mph and the “smashed” group a speed of 38.574mph.

a. What test was done?
b. Report the results in APA style and Interpret the results.

ANOVA
MPH
Sum of Squares
df
Mean Square
F
Sig.
Between Groups
649.810
2
324.905
24.166
.000
Within Groups
242.000
18
13.444
Total
891.810
20
Multiple Comparisons
Dependent Variable: MPH
Games-Howell
Mean Difference
95% Confidence Interval
(1) group
(J) group
(I-J)
Std. Error
Sig.
Lower Bound
Upper Bound
Bumped
Crashed
-4.714
1.931
.076
-9.90
.47
Smashed
-13.429*
1.866
.000
-18.43
-8.43
Crashed
Bumped
4.714
1.931
.076
-47
9.90
Smashed
-8.714
2.077
.003
-14.26
-3.17
Smashed
Bumped
13.429*
1.866
.000
8.43
18.43
Crashed
8.714
2.077
.003
3.17
14.26
*. The mean difference is significant at the 0.05 level.

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