2. Why was the launch of Sputnik I in 1957 so significant? What did its launch mean for Americans?

Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?

Attitudes toward homeless people. negative attitudes toward poor people are negative when a person is homeless? to find out, a common. are attitudes more description of a poor person is read to subjects. there are two versions of this description. one begins jim is a 30-year-old single man he is currently living in a small single-room apartment the other description begins jim is a 30-year-old single man. he is currently homeless and lives in a shelter for homeless people. otherwise, the descriptions are the same. after reading the description, you ask subjects what they believe about jim and what they think should be done to 26 him. the subjects are 544 adults interviewed by telephone. outline the design of this experiment.

What extraordinary role does learning think we can play in the universe?