This case study evaluated the relationship between coaching and teacher efficacy

Question

This case study evaluated the relationship between coaching and teacher efficacy and the impact of these constructs on mathematics student achievement at a charter school in the southern United States. The study was based on the theory of instructional coaching as a model for teachers' professional development. A ______ was used to analyze district quarterly mathematics data from the Northwest Education Association Measure of Academic Progress (NWEA MAP) during the implementation of coached strategies. The analysis indicated a significant increase in mathematics achievement from 3rd to 4th quarter for 400 students in grades five through eight, t(399) = -4.011, p = 0.028.

1. What kind of study design is this (experimental or correlational)?

2. If experimental, what is the independent variable?

3. If experimental, what is the dependent variable?

4. What kind of statistical test did the author run, and how do you know the used this test?

5. What do you think the null and alternative hypotheses are in this study?

Explanation / Answer

1. The resaerch design of the given case is experimental in nature. Because it involved assessing the impact of coaching and teacher efficacy on mathematics student achievement.

2. Independent varibable in the given study is coaching and teacher's efficacy. These are independent variables because, the resaercher aimed at studying the impact or influence of these variables on the dependent variable.

3. Dependent variable is the students's achievement on mathematics. The purpose of the study was to assess what changes in student's achievement of mathematics occur if the teacher's efficacy and coaching is changed or manipultaed.

4. The author used 't-test' to assess the difference among various groups. The analysis indicated a significant increase in mathematics achievement from 3rd to 4th quarter for 400 students in grade five. This means that the data was analyzed with the help of t-test to see how teacher efficacy and coaching influences achievement on mathematics.

5. Null Hypthesis could be -

There will be no effect of teacher efficacy and coaching on students' achievement on mathematics.

Alternate Hypotheis could be-

Teacher's efficacy and coaching will significantly influence students' achievement on mathematics.

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