Answered: Lysann Damish and her colleagues (2010)…

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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Lysann Damish and her colleagues (2010) wanted to find out if belief in luck improved performance. They recruited 28 students (using random selection) who were then randomly assigned to be in one of two groups. Both groups were asked to perform a 10-trial putting task where the goal was to put a golf ball into a cup that was situated 100 cm (39.37 inches) away. Group 1 was the “lucky” group. This group was told that the golf ball they were using had been “a lucky ball” in previous tests. The second group was simply handed to golf ball and asked to put (the “neutral” group). The number of successful putts in 10 trials was counted for each group.

What statistical test should be used and why?

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