Food portions at fast food restaurants keep getting smaller
Indicate whether the statement is true or false
F
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Dr. Lawrence believes that mental illness has an emotional basis. We can therefore conclude that Dr. Lawrence holds a(n) ____ view of mental illness
a. organic b. biological c. psychological d. emotional
Attempts to classically condition the suppression of the immune response in rats have demonstrated that:
A. conditioning may affect immunity, but this cannot be generalized to responses under stress B. the immune system cannot be affected by purely psychological factors C. our immune systems can be affected by psychological or cognitive stressors D. experimental data derived from rats cannot be generalized to humans
What sampling technique is a researcher using when a population is divided into subgroups based on one or more characteristics and a random sample is selected from each group?
a. Simple random sampling b. Systematic random sampling c. Cluster sampling d. Stratified random sampling
All of the following are strategies used to control for order effects EXCEPT ______.
A. control order B. control timing C. counterbalancing D. randomized assignment