The same researcher now wants to examine if student scores will increase as the instructional time increases. She randomly assigned 60 students to three classes. Each class spent 4 hours, 5 hours, and 6 hours per day respectively on instruction. Then she compared the average scores of the three classes. Which procedure is the most appropriate for this research question?
A) Dunnett method
B) Dunn (Bonferroni) method
C) Tukey HSD
D) Trend analysis

Question

Quizplus · Accepted Answer

Trend analysis is the most appropriate procedure for examining if student scores increase as the instructional time increases because it specifically looks at the relationship between variables (in this case, instructional time and scores) to determine if there is a consistent trend or pattern over the conditions (different hours of instruction).

The Same Researcher Now Wants to Examine If Student Scores