A variable whose levels are not randomly assigned to participants and differentiates the groups or conditions being compared in a research study is called ______.
A. an independent variable
B. a manipulated factor
C. a quasi-independent variable
D. an independent and dependent variable
Answer: C
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Two-year-old Aretha attends day care five days a week because she has a single mother who works. This means that Aretha falls into the group of close to __________ of children between the ages of 4 months and 3 years who are cared for by other adults.
A. 50 percent B. 75 percent C. 25 percent D. 66 percent
The type of therapy that has been found to be an important tool in reducing isolation, improving social skills, and reducing shame and secrecy is ____
a. group therapy b. individual counseling sessions c. aversion therapy d. therapy to resolve earlier childhood trauma
What babies in the Thomas and Chess study rarely seemed to have problems in early childhood, but once they entered school they were sometimes fearful and had problems academically and with peers?
a. easy b. difficult c. slow-to-warm-up d. unengaged
Which of the following is a way in which HIV can be transmitted?
a. through exposure to contaminated blood or other body fluids containing contaminated blood b. by sharing beverages with someone who is HIV positive c. by making contact with the tears of an HIV patient d. through hand holding, especially if the person with HIV is perspiring