Kari wants to make sure that all students in her study receive both of the treatments she is testing. To ensure all subjects receive both interventions, which of the following designs should Kari consider?
a. Time-series design
b. Solomon four-group design
c. Counterbalanced design
d. Nonequivalent groups control group design
c
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Most important, safety rules must be ____
a. posted outside b. given to parents c. approved by the police d. explained to children
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A child who fails an initial vision screening should be retested before a referral is made.
Answer the following statement true (T) or false (F)
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In establishing team positive interdependence, it is important that the team have
a. General team goals b. Specific team goals c. General tasks to accomplish d. Specific delegation of tasks
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Researchers who use "blinding" are especially concerned about influences stemming from:
A) expectation B) Hawthorne C) ordering D) non-randomness
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