Ciccarelli: Psychology_5 (5th Edition)
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN: 9780134477961
Author: Saundra K. Ciccarelli, J. Noland White
Publisher: PEARSON
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### Statistical Test Selection for Educational Research Study **Scenario:** A researcher wants to know if there's a relationship between a student’s final grades in a course (0-100 scale) and the row they sit in a classroom (1st row, 2nd row, 3rd row, 4th row, 5th row, etc.). **Question:** Which statistical test should the researcher use to determine if there's a relationship between these variables? **Options:** - ⬜ Within groups t-test - ⬜ ANOVA - ⬜ Between groups t-test - ⬜ Pearson correlation **Explanation:** To select the appropriate statistical test, the researcher needs to consider the nature of the variables involved: - **Final grades (0-100)**: This is a continuous variable. - **Row number (1st, 2nd, 3rd, etc.)**: This is a categorical variable with more than two levels. Given that the researcher is interested in examining differences in mean grades across different rows, a one-way ANOVA (Analysis of Variance) is suitable for this purpose. ANOVA will allow the researcher to determine if there are statistically significant differences in grades among the different rows in the classroom. **Selected Option:** ⬜ **ANOVA** For further learning and practical implementation, researchers can refer to statistical guides on how to perform ANOVA using statistical software such as SPSS, R, or Python.
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Transcribed Image Text:### Statistical Test Selection for Educational Research Study **Scenario:** A researcher wants to know if there's a relationship between a student’s final grades in a course (0-100 scale) and the row they sit in a classroom (1st row, 2nd row, 3rd row, 4th row, 5th row, etc.). **Question:** Which statistical test should the researcher use to determine if there's a relationship between these variables? **Options:** - ⬜ Within groups t-test - ⬜ ANOVA - ⬜ Between groups t-test - ⬜ Pearson correlation **Explanation:** To select the appropriate statistical test, the researcher needs to consider the nature of the variables involved: - **Final grades (0-100)**: This is a continuous variable. - **Row number (1st, 2nd, 3rd, etc.)**: This is a categorical variable with more than two levels. Given that the researcher is interested in examining differences in mean grades across different rows, a one-way ANOVA (Analysis of Variance) is suitable for this purpose. ANOVA will allow the researcher to determine if there are statistically significant differences in grades among the different rows in the classroom. **Selected Option:** ⬜ **ANOVA** For further learning and practical implementation, researchers can refer to statistical guides on how to perform ANOVA using statistical software such as SPSS, R, or Python.
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