A researcher investigates the relationship between school attendance and academi

Question

A researcher investigates the relationship between school attendance and academic achievement. 11 students participate in the project. School attendance records for each student are used to determine the number of days each student was absent over the course of the school year. MCAS scores for each student were obtained and used as a measure of academic achievement. When the researcher completed a correlational analysis with this data, a statistically significant relationship was not found. This surprised the researcher because receiving instruction in schools is critical to student achievement. When students do not attend school, they do not receive instruction. a. Based on the information provided in this scenario, what is the likely reason that the relationship between attendance and academic achievement was not statistically significant? Explain your reasoning.

Explanation / Answer

The researcher takes sample size n = 11 for finding the relationship between the two variable as score and attendance. See the sample size is very small which is the most likely reason that the test of the correlation is not significant. So here sample size is very small and it is the most likely reason that the relationship between attendance and academic achievement was not statistically significant.

See the IQ of the student's is also one of the most important variable to study such type of problems.

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