Question

question 38
2 points
a(n) ______ is conducted in order to determine whether there are meaningful differences between two groups in a study
○ correlation coefficient
○ validity assessment
○ statistical analysis
○ scatterplot
clear selection

Explanation:

• Correlation coefficient measures the strength of the relationship between two variables, not differences between groups.
• Validity assessment checks if a measure assesses what it's supposed to, not group differences.
• Statistical analysis (e.g., t - tests, ANOVA) is used to determine if differences between groups are meaningful (statistically significant).
• Scatterplot is a graph to show the relationship between two variables, not for testing group differences.

Answer:

C. statistical analysis