Why are correlations useful in studying naturally occurring relationships between variables? Include the notion of random assignment in your response.
What will be an ideal response?
Ans: Certain variables, such as a person’s socioeconomic status, cannot be manipulated; that is, we cannot randomly assign people to a level/group of socioeconomic status. Likewise, it might be unethical to use random assignment in other situations. However, correlations allow us to study important naturally occurring relationships without using random assignment.
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The final step in the Child Development Associate process is a
a. final exam. b. videotape of a learning experience. c. series of interviews with Council representatives. d. presentation of a portfolio.
A person who, willingly or unwillingly, cannot return to his or her home country due to fear of prosecution because of race, religion, nationality, political views, or membership in a specific social group is
a. an indigenous person. b. an immigrant. c. getting asylum. d. a refugee.
The primary reason children grab food is that they are selfish
Indicate whether the statement is true or false
. For the one-way within-subjects ANOVA, the partial estimates of effect size remove, or “partial out,” which source of variation?
A. between groups B. within groups C. between persons D. error variance