In an experiment, a researcher manipulates people's mood to determine whether changes in mood cause changes in memory performance. However, the researcher is not sure that the manipulation is really causing people's mood to change. In this case, what should the researcher do?
a. Control mood by holding it constant
b. Control mood by matching it across treatment conditions.
c. Add a no-treatment control group in which mood is not manipulated.
d. Add a manipulation check by measuring mood.
d
You might also like to view...
A stroke patient might seek the aid of a(n) ____ to increase the functions of daily life
a. neuroscientist b. clinical psychologist c. occupational therapist d. neurochemist
A psychiatrist is interested in comparing two different drugs to treat depression in a sample of patients. Because the drugs may differ in terms of both their effectiveness and side effects, patients are randomly assigned to the two drug conditions. Randomly assigning patients to groups satisfies which feature of ethical research?
A) external validity B) beneficence C) being just D) respecting people
When couples go from "falling in love" to "loving each other," which of the following happens?
A) They explore how they can achieve shared goals. B) Flirtation, passion, and sexual intimacy gain in importance. C) They go on more formal dates. D) They start spending less time together.
Sasha went to her school's computer lab to work on a coding project due for a class. She was at the lab for two hours. How much time did Sasha spend working only on the coding project?
A. about 10 minutes B. about 30 minutes C. about 50 minutes D. about 75 minutes