The most efficient procedure for controlling factors such as maturation when using a posttest-only design is:
a. matching experimental and control groups on all relevant factors.
b. administration of a pretest.
c. random assignment of subjects to the groups.
c
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A science teacher develops an activity in which the students observe a river and test several characteristics of the water. The students are developing a scientific
a. Fact b. Concept c. Theory d. Law
Mathematics and the arts are each subject areas of:
a. reasoning and proof b. patterns and relationships c. reasoning and proof d. data analysis and probability
Researchers have demonstrated that support of high-quality early intervention programs is a good tax investment
Indicate whether this statement is true or false.
Educators can help enhance a family's self-esteem by all of the following EXCEPT:
a. Affirming parents' strengths b. Periodically inflating grades c. Helping parents see the connection between their actions and good results d. Providing training