Text: Researchers have noted that improving academic performance may actually be a result of high self-esteem, rather than the other way around. This suggests that further research is necessary to: - Establish the statistical validity of the results - Examine the relationship between self-esteem and academic performance - Determine the external validity of the findings - Establish the temporal precedence of the criterion - Establish the construct validity of the variable "academic performance
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Step 1: Identify the discrepancy in the research findings regarding the relationship between self-esteem and academic performance. Show more…
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4. We measure the self-esteem of a sample of statistics students, reasoning that this course may lower their self-esteem relative to that of the typical college student (μ= 55, σ= 11.35)). We obtain the following self-esteem scores: 44, 55, 39, 17, 27, 38, 36, 24, 26 a. How would you summarize this data? Explain. b. Does our sample have significantly different self-esteem scores compared to the typical college student? Conduct a full hypothesis test using the .05 level of significance. c. Compute the effect size with Cohen’s d d. What is the probability that we made a type I error? What would be the error in terms of independent and dependent variables? e. Is there a risk of a Type II error? f. Summarize your findings in APA format
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A researcher has hypothesized that listening to music while studying will help to improve students' test scores. The researcher collects data and discovers a positive correlation between the two variables. However, the researcher cannot conclude that the music causes improved test scores, because the correlation could have been produced by the presence of a _____ variable.
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