The development of stranger anxiety emerges at about 7 months of age, most likely because the infant's cognitive development has proceeded to the point where now the infant can tell the difference between a familiar adult and a stranger
Indicate whether the statement is true or false
True
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Applied research in psychology, such as educational psychology, has its roots in the early
approach to psychology known as A) structuralism B) psychoanalysis C) functionalism D) gestalt
Which of the following is a proximate-altruistic explanation for helpfulness?
A. evolutionary theory B. social distance theory C. empathy-altruism hypothesis D. locus of control
A pigeon in operant chamber #1 regularly receives a pellet of food after every ten pecks at a red disk, no matter how long it takes. A rat in operant chamber #2 regularly receives a pellet of food for the first bar press it makes after ten minutes have passed, no matter how many bar presses it makes. The pigeon is on a _____ schedule of reinforcement, and the rat is on a _____ schedule of reinforcement.
a. fixed-ratio; fixed-interval b. fixed-interval; fixed-ratio c. fixed-ratio; variable-interval d. fixed-ratio; variable-ratio
Subjective contours are thought to ______.
a. be the result of simplifying a complex display b. occur only with the perceiver’s awareness of the process c. require no active participation on the perceiver’s part d. require both awareness and active participation