Unbeknownst to a school's testing staff, a young child serves as a participant in a psychological study during which she is administered an IQ test on three occasions
When she takes the same IQ test at her school two months later, her IQ has jumped from 110 to 125. What can we say about the IQ test?
A) The test was valid.
B) All IQ tests are meaningless.
C) The improved score is probably due to practice effects.
D) The external validity of the test has been compromised.
Answer: C
You might also like to view...
What is the typical reason that federal employees leave their jobs?
a. to retire or take another job b. to run for political office c. to enter graduate school d. because of disciplinary actions
Hannah assigns children to different teaching method groups and tests their math
performance after six weeks. This is an example of what type of research? a) descriptive b) historical c) experimental d) uncontrolled
Which city governments have officials who act as both executives and legislators?
A) Strong-major councils B) Mayor-councils C) Commissions D) Weak-major councils
Which of the following correctly describes the Great Society's approach to American federalism?
a. Government, after the federal partner's lead, should establish public programs that improve the overall quality of life in society. b. Federal grants-in-aid, most with matching requirements, should provide the vehicle by which the federal government shares its financial resources with states and local governments in the pursuit of national policy goals. c. Individuals who meet eligibility requirements for medical assistance should be considered as having an entitlement to that assistance. d. All of the above