Dr.Farah is an educational psychologist who is interested in studying the potential causal relationship between doing homework and academic achievement.In January,Dr.Farah has her students report their fall GPA (a measure of academic achievement)and estimate how many hours they spent doing homework during a typical week in the fall semester.In May,Dr.Farah measures the same variables again (the estimated number of hours spent doing homework during a typical week in the spring semester and their spring GPA).She finds the following correlations.

-What type of study design is Dr.Farah using?
A)Quasi-experimental design
B)Bivariate correlational design
C)Multiple regression design
D)Longitudinal design

Question

Dr.Farah is an educational psychologist who is interested in studying the potential causal relationship between doing homework and academic achievement.In January,Dr.Farah has her students report their fall GPA (a measure of academic achievement) and estimate how many hours they spent doing homework during a typical week in the fall semester.In May,Dr.Farah measures the same variables again (the estimated number of hours spent doing homework during a typical week in the spring semester and their spring GPA) .She finds the following correlations.

-What type of study design is Dr.Farah using?

-What type of study design is Dr.Farah using?
A)Quasi-experimental design 
B)Bivariate correlational design 
C)Multiple regression design 
D)Longitudinal design

Quizplus · Accepted Answer

Dr. Farah is using a longitudinal design as she is measuring the same variables (fall GPA, estimated hours spent on homework, spring GPA) twice, at two different time points, to examine the potential causal relationship between doing homework and academic achievement.

DrFarah Is an Educational Psychologist Who Is Interested in Studying