To test whether people in bars drink more when they are in groups than when they are alone, researchers visited all the pubs in a city. They ordered beers and recorded observations on napkins and pieces of newspaper. Why did they keep their identities in
a. They were conducting a double-blind study.
b. They wanted to make sure the study had test-retest reliability.
c. They needed to determine the experimenter effects in the study at a later point in time.
d. They wanted the people they were observing to behave naturally.
Answer: d
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When learning an instrument, students are often required to practice for short intervals, very frequently. This is designed to reduce the amount of effort required to play the instrument, or to make it rely on
a. selective attention b. automatic processing c. holistic cognition d. multitasking
Once a conditioned startle response is established, it will be made even if the
students see the chamber removed from the pistol, which means it cannot be fired. This shows that: (a) escape learning occurs even with operant responses (b) spontaneous recovery can be shown prior to extinction (c) classically conditioned CRs are not completely under voluntary control (d) operantly conditioned CRs are not completely under voluntary control (e) discrimination is mediated by classical conditioning
Being tired, overwhelmed by stress, or busy at work can all influence our perceptions of others. These three factors are examples of ____________
a. physical senses b. physical states c. physical attributes d. cultural differences
Ms. Miller is teaching Joseph to play the clarinet. At his first lesson, she places his finger in the proper position on the clarinet. This is an example of
A) internalization. B) scaffolding. C) fast mapping. D) social speech.