Differences in the type of subjects who make up each group in an experimental design
What will be an ideal response?
selection differences
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The word "dzisiejszym" would be recognized as a foreign word by an English speaker because the word structure violates the rules of English:
a. phonology b. syntax c. semantics d. pragmatics
When Keller and Marian Breland, two psychologists who became animal trainers, decided that it would be cute to have a pig drop a big wooden coin into a box, they found that ________
a. food was not an effective reinforcer for the pig and so learning didn't occur. b. when given edible roots as reinforcers, the pig learned the task in fewer than 10 trials. c. the pig was difficult to train because it kept dropping the coin, rooting, and throwing the coin in the air. d. the pig showed intrinsic interest in the task and so reinforcement was unnecessary.
Which expectant mother has the greatest risk of a baby born with fetal alcohol syndrome?
A) Chloe, a Caucasian American B) Latima, an African American C) Yvonne, a Native American D) Ming, an Asian American
Skinner's use of intervening variables is
a. similar to Hull's use. b. not as extensive as Hull's use. c. to mediate between stimuli and responses. d. nonexistent.