Research using a pacifier with a pressure-sensitive switch demonstrated that infants
a. stop sucking when they hear a novel sound.
b. suck more slowly as habituation occurs.
c. can distinguish between angry and pleasant voices.
d. cannot yet distinguish speech sounds.
e. learn language faster the earlier they are weaned from their pacifiers.
b. suck more slowly as habituation occurs.
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What is the procedure known as flash suppression?
a. An observer is not conscious of a stimulus that flashes onto a screen too briefly. b. Activity in the cones of the retina inhibits activity in the rods. c. Dots flashing on and off block conscious perception of a stationary object. d. A conscious observer may have brief periods of momentary unconsciousness.
According to Ekman, _____ are learned early in life and determine which emotional expressions are appropriate in particular situations
a. core emotions b. basic emotions c. custom emotions d. display rules
Even though Jacob, a 10-year-old, is a competitive swimmer, he still needs adult supervision when he swims. In particular, he may
A) lack the cognitive maturity to make sound judgments about how safe it is to swim. B) be embarrassed to call for help when he needs it. C) use swimming as a way to avoid doing homework. D) prefer swimming in safe and shallow water.
A clinically or practically significant association is typically not statistically significant
Indicate whether the statement is true or false