An experiment has high internal validity if
a. an observed difference between an experimental and control group is solely attributable to the
treatment variable.
b. there is a strong effect of the treatment variable on the outcome variable.
c. the research participants have been randomly assigned to the experimental and control conditions.
d. All of the above.
a
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____________________ is a major development for toddlers from 12 to 18 months
Fill in the blank(s) with the appropriate word(s).
Effects of child abuse on young children may include
a. withdrawal. b. aggression. c. enuresis. d. withdrawal, aggression, and enuresis. ANSWER: d
Of the following, which is a type of qualitative research?
a. Correlational b. Causal-comparative c. Ethnographic d. Experimental
Civics is not a concept preschool teachers are able to teach
Indicate whether the statement is true or false.