Which of the following is a limitation of correlational research:
a. It is often unethical or impractical to conduct correlational analyses.
b. Correlational research cannot be used to establish causation.
c. Correlational research is best suited to gather information about disorders that are
rare but is not very useful in research about common disorders.
d. Correlational research is particularly expensive to conduct.
e. Correlational research can determine whether two variables are positively related
but not whether they are negatively related.
B
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Ten-year-old Evan is starting to experience some of the physical changes that accompany puberty. Which of these bodily changes is considered a primary sex characteristic?
increase in skin oil and sweat || growth of pubic hair || growth of underarm hair || sperm production || || ||
Learning to talk in infancy is a good example of maturation because it is closely linked to the development of the brain and the increasing ability to coordinate motor control
Indicate whether the statement is true or false