Removal of ____ turns genes off.
A. enzymes
B. histones
C. esters
D. acetyl groups
Answer: D
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In old age, the lens becomes more rigid. What is the effect on vision? a. Focusing on nearby objects becomes more difficult
b. Shifting attention from one object to another becomes more difficult. c. Judging the speed of a moving object becomes more difficult. d. Recognizing faces becomes more difficult.
Psychometric equivalence can be ascertained by:
a) examining the internal reliability of the measures across cultures. b) translating a research protocol to a target language with the help of bilingual informants. c) examining whether cross-cultural samples compared are appropriate representatives of their culture. d) creating conditions to establish cause–effect relationships.
What is one of the problems with tests that measure personality traits?
a. They are usually too short. b. Scores for personality traits may not be good predictors of how individuals behave in particular situations. c. Two measures of the same trait usually do not correlate well with one another. d. They are seldom psychometrically sound.
____ models portray the child's environment as a series of nested and interconnected structures
a. Environmental b. Ecological c. Societal d. Macroparadigm