Dr. Greene would like to conduct an externally valid study on the topic of social anxiety. Which study methodology below is most likely to yield results that are externally valid?
a. case study of an individual with social anxiety
b. single-case design examining the effects of imagery exercises in a person with social anxiety
c. epidemiological study to estimate the prevalence of social anxiety
d. experimental study examining the effects of group therapy (versus being waitlisted) on social anxiety
C
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Businesses that help customers recycle old computers by putting marked containers for different recycled materials in convenient locations near a college campus are promoting recycling through
a. persuasion. b. the revision of attitudes. c. the removal of barriers. d. incentives.
Your memories for how to do tasks, particularly those that involve steps, are called __________ .
A. short-term memories B. episodic memories C. procedural memories D. semantic memories
Answer the following statements true (T) or false (F)
1. Current research suggests that humour can be helpful in reducing stress in the short term. 2. People who use humour to reduce stress tend to live longer than do people who use other relaxation strategies. 3. In response to a painful stimulus, high-pain-sensitive individuals exhibit more activity in the thalamus than do low-pain-sensitive individuals. 4. In response to a painful stimulus, low-pain-sensitive individuals exhibit less activity in the anterior cingulate cortex than do high-pain-sensitive individuals. 5. Placebos have been shown to increase the release of endorphins, the brain's natural painkilling chemical.
A behavioral psychologist tries to train a bird to climb a tree to get a reward of a piece of fruit. At first, the bird learns how to climb the tree with its legs and beak
After a while, it starts flapping its wings and hopping around before it starts to climb. Eventually, the bird flies up to the piece of fruit, even though that prevents it from getting the fruit. According to the Brelands' analysis of biological constraints, the bird is demonstrating __________. a) response generalization b) instinctive drift c) the Law of Effect d) stimulus discrimination