A. Using a matched-subjects design
B. Higher iq level relatively constant
C. Running a double-blind experiment
D. Randomly assigning subjects to groups
A. An experiment
B. A theory
C. A hypothesis
D. A hunch
A. Theory
B. Experiment
C. Hypothesis
D. Proposition
A. Gestalt, wertheimer
B. Psychoanalytic, freud
C. Behaviorism, titchener
D. Behaviorism, watson
A. Biological
B. Clinical and counseling
C. Social and personality
D. School and educational
A. Field study
B. Case history
C. Survey
D. Life history
A. John watson
B. Max wertheimer
C. Hermann von helmholtz
D. Edward titchener
A. William mcdougall
B. Thorndike
C. Watson
D. None of these
A. Sample error
B. Sample bias
C. Population error
D. Population bias