A student in the 2017 cohort tells you that he is interested in investigating th

Question

A student in the 2017 cohort tells you that he is interested in investigating the effect of having teachers follow a structured protocol for co-planning instruction. He says that he will use a correlational analysis to determine if using a structured protocol for co-planning instruction has an effect on academic achievement and teacher efficacy a. Tell the student why a correlational analysis is inappropriate for this type of research question. In your response, tell the student what information a correlational analysis provides. b. Suggest a possible method that the student could use to answer his research question. When making your suggestion, explain how this method is appropriate for answering his research question.

Explanation / Answer

1. The student should take a note that correlation analysis requires the variables to be continuous. Here, in current study whether using a structured protocol for coplanning instructions is supposedly non-continuous (nominal in nature). Thus, correlation analysis is not a suitable option in current study. Correlational analysis provides the researcher with an information about the direction, form and strength of relationship between the variables x and y. The hypothesis test for correlation coefficient provides the researcher with information that whether x and y are linearly correlated or not.

2. The two variables are whether use of structured protocol for planning instructions and academic acheivement and teacher efficacy. Assume each subject (teacher) contribute data to only 1 cell, that is 'yes 20' where, yes corresponds to answer to use of structured protocol for planning instructions and 20 refer to score corresponding to academic acheivement. Then perform Chi-square test of independence to see if two variables are related. If the variables are related, the researcher can conclude that use of structured protocol for planning instructions has an effect on academic acheivement and teacher efficacy

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