A researcher is interested in whether participating in sports positively influences self-esteem in young girls. She identifies a group of girls who have not played sports before but are now planning to begin participating in organized sports. The researcher gives them a 50-item self-esteem inventory before they begin playing sports and administers the same test again after 6 months of playing sports. The self-esteem inventory is measured on an interval scale, with higher numbers indicating higher self-esteem. In addition, scores on the inventory are normally distributed. The scores are as follows: Before 44 40 39 46 42 43 After 46 41 41 47 43 45 What statistical test should be used to analyze the data Check the claim. If significant ,compute and interpret the effect size
A researcher is interested in whether participating in sports positively influences self-esteem in young girls. She identifies a group of girls who have not played sports before but are now planning to begin participating in organized sports. The researcher gives them a 50-item self-esteem inventory before they begin playing sports and administers the same test again after 6 months of playing sports. The self-esteem inventory is measured on an interval scale, with higher numbers indicating higher self-esteem. In addition, scores on the inventory are
Before
44
40
39
46
42
43
After
46
41
41
47
43
45
What statistical test should be used to analyze the data
Check the claim.
If significant ,compute and interpret the effect size
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