The average labor for a firstborn baby is about 7 hours
Indicate whether this statement is true or false.
False
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What do research findings gathered by psychologists Paul Costa and Robert McCrae indicate about the "big five" personality traits?
A. They vary with lifestyle changes. B. They vary based on social and psychological factors. C. They change across adulthood. D. They appear stable across adulthood.
Which of the following is likely to be possible because one has attained formal operational thinking?
a. Categorizing objects b. Thinking about things changing in the future c. Doing complicated calculations d. Solving conservation problems
The data collection stage of the research process involves mainly _____ logic, because it is collecting many observations or "facts."
a. realistic c. simplistic b. hypothetical d. inductive
Using random selection is a way to ensure that
a. a sample is representative of a population by giving everyone an equal chance of being selected for the sample. b. every participant in a sample has an equal chance of taking part in any condition of an experiment. c. participants who fit certain criteria for gender and ethnicity are more likely to be selected as part of a sample. d. every member in a population is sampled.