Russell's study compared GPA of those students who volunteered for academic study skills training and those who did not elect to take the training. He found that those who had the training also had higher GPA. With which validity threat should Russell be most concerned?
a. Maturation
b. Instrumentation
c. History
d. Selection
d
Education
You might also like to view...
When directors plan and conduct staff meetings, they should be sure to not include time for ___
a. ?asking questions and discussing program issues b. ?complaining about others c. ?evaluating individual staff members d. ?both B and C are correct
Education
In an effective integrated study, how does the investigation typically start?
Education
Discuss how to use curriculum compacting and enrichment to address the needs of gifted students
What will be an ideal response?
Education
Council for Exceptional Children
What will be an ideal response?
Education