Which of the following is an indicator of the Upper Paleolithic period in human evolutionary history?
a. Humans began to bury their dead.
b. Humans began to walk.
c. Humans began to read.
d. Humans began hunting animals.
Answer: A
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The research on practice and memory improvement demonstrates that
a. for most people, one exposure to the material is sufficient unless that material is extremely difficult. b. several reviews of the same materialâ€"without taking breaks in betweenâ€"is especially effective. c. in general, we have little evidence for the total time hypothesis. d. learning is more effective if learning trials are spread out over time, rather than if you study without a break.
Regarding vision and hearing, which of the following statements is FALSE?
a. Hearing collects information from all around the body, while vision is limited to stimuli in front of the eyes. b. Sound waves travel as a series of invisible waves of compression and rarefaction. c. Sound can travel in fluids or solids. d. The frequency is the physical "height" of a sound wave and tells how much energy it contains.
According to Skinner, a grandfather who smiles whenever the baby says "pa-pa" is providing reinforcement for talking
Indicate whether this statement is true or false.
Imagine that you are using a cross-sectional design to conduct a study on attitudes toward gender equity in the work place. You find that 40-year-old participants are much more resistant to gender equity than are 20-year-old participants
One potential problem that might arise in interpreting the data is that a. results may be confounded by differences in the experiences of different birth cohorts. b. all of the participants were tested for their attitudes at about the same time. c. substantial data may be lost due to participant attrition. d. results may be due to the fact that attitudinal differences are