By age 60, the rod and cone receptors diminish by what percentage?
a. 10%
b. 30%
c. 50%
d. 70%
Answer: C
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Reviews of the research on employed mothers conclude that
a. children of employed mothers are less likely to be emotionally close to their mothers than children whose mothers do not work outside the home. b. children of employed mothers tend to be more gender-stereotyped than children whose mothers do not work outside the home. c. children's cognitive development is significantly more advanced when children are cared for by their mother. d. in general, children who are cared for by their mothers are similar in their cognitive and social skills to children who are cared for in a child-care center.
Empedocles assumed that perception results when:
a. vibrations from external objects stimulate sense receptors b. sensory information is analyzed by the brain c. eidola enters the pores of the body and mixes with elements found in the blood d. sensations interact with memories of prior experiences
Which statement is true of the study of history, as approached by considering the lives of eminent people?
a. It provides a thorough and comprehensive history of an era. b. It is uncommon for historians to know who was eminent in the past, so it is difficult to do. c. It is largely impossible due to changes in zeitgeist. d. It will be incomplete unless the lives of individuals who are not eminent are also considered.
The phenomenon of paradoxical heat explains why ______
a. encapsulated end organs vary in structure b. the hands are more sensitive than the arms c. we may think we are touching something hot when we are actually touching something warm and something cool d. some people are more sensitive than others to changes in temperature