Why do researchers try to avoid the presence of extraneous or confounding variables?
A) Because they typically require difficult statistical analyses
B) Because they typically require the use of a within-subjects design
C) Because they typically indicate that some variable other than the independent variable is affecting the results
D) Because they typically indicate that some variable other than the dependent
variable is affecting the results
C
You might also like to view...
Sandra and Jim have been happily married for several years. Sandra reports that she reaches orgasm from intercourse only about half the time and wonders if something is "wrong" with her. Sandra should a. seek treatment for inhibited orgasm disorder
b. have a medical exam c. realize that her inhibited orgasm problem means that she doesn't really love Jim. d. realize that this is not unusual for women, and can work on achieving orgasm with her partner, Jim.
Dominic is at a job interview sitting across from the company's CEO, Ms. Bing. While she takes a phone call, Dominic tries to recall her first name. Her business card is on the desk, but its orientation is not facing Dominic straight on. The business card has the initial of Ms. Bing's first name, so Dominic mentally rotates that initial letter into a straight-up orientation. For which angle
(compared to the final straight-up orientation) would you predict Dominic would be fastest in identifying the initial? a. 30 degrees b. 60 degrees c. 90 degrees d. 180 degrees
Perception refers to:
a. the elementary features or building blocks of experience b. the collection of processes used to arrive at a meaningful interpretation of an experience c. the process of translating external messages into neural impulses d. the physical properties of stimuli in the environment
Modern psychodynamic therapies differ from Freud's original psychoanalysis. One main difference is the fact that psychodynamic therapy:
a. often takes longer because modern problems are more complex b. usually combines insight therapy with drug therapy for more effective results c. encourages clients to become more active in the analytic process d. is often less time-consuming and proceeds at a faster rate