Longoria Week6 DAA

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Capella University *

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PSY-FP7864

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Statistics

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Jan 9, 2024

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docx

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Week 6 Data Analysis and Application Kaitleigh Longoria Capella University 1

Data Analysis and Application Template Data Analysis Plan The dependent variable in this test is “final”, a continuous variable. The independent variable is “review”, a categorical variable. Is there a significant statistical relationship between the number of questions correctly answered on the final exam and attending review sessions? H o : There is no significant relationship between final and review. H 1 : There is a significant relationship between final and review. Testing Assumptions Levene’s F (1, 103) = .740, p = .392. The homogeneity assumption is met for this test, do not reject the null hypothesis. Results & Interpretation Group Descriptives Group N Mean SD SE Coefficient of variation fina l Attended review session 55 61.545 7.356 0.992 0.120 Did not attend review session 50 62.160 7.993 1.130 0.129 2 Test of Equality of Variances (Levene's) F df 1 df 2 p final 0.740 1 103 0.392 Independent Samples T-Test t df p final -0.410 103 0.682 Note. Student's t-test.

Students that attended a review session (M = 61.55; SD = 7.36) did not differ in mean correct answers compared to those that did not attend a review session (M = 62.16; SD = 7.99); t (103) = -.41, p = .682; do not reject the null hypothesis. Statistical Conclusions This test did not produce a significant difference in correct answers on the final exam between those that attended review sessions and those that did not. Levene’s test was computed, and the assumption of homogeneity was upheld. The limitations of this study are that this form of analysis can only examine two variables. Furthermore, if someone wanted to examine the power of review sessions more, they may want to select an analysis that allows them to incorporate more variables. Application In Behavioral Analysis, t-tests may be beneficial when comparing two groups on a mental assessment. An analyst may use a t-test to determine the effects of treatment on a particular behavior. One group would go through a treatment plan, and another would not, then their scores on the assessment may be compared to assess if there are significant effects from treatment. 3

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