There is some evidence that high school students justify cheating in class on the basis of poor teacher skills or low levels of teacher caring (Murdock, Miller, & Kohlhardt, 2004). Students appear to rationalize their illicit behavior based on perceptions of how their teachers view cheating. Poor teachers are thought not to know or care whether students cheat so cheating in their classes is okay. Good teachers, on the other hand, do care and are alert to cheating, so students tend not to cheat in their classes. Following are hypothetical data similar to the actual research results. The scores represent judgments of the acceptability of cheating for the students in each sample.
a. Use an ANOVA with
b. Calculate
c. Write a sentence demonstrating how a research report would present the results of the hypothesis test and the measure of effect size.
a.
Given info:
The data with appropriate values are already given in the question.
Poor teacher  Average teacher  Good teacher 












Calculation:
The null and alternative hypotheses:
Null hypothesis:
That is, all treatments have equal mean.
Alternate hypothesis:
Degrees of freedom:
It is known that for k number of treatments the degrees of freedom is,
Thus,
Similarly,
Critical value:
For
The sum of square due to total is
Thus,
And
It is also known that,
Hence,
b.
To Find: The effect size
c.
To write: A sentence that demonstrate how a research report would present the results of the hypothesis test and the measure of effect size.
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