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chialyncampbell chialyncampbell
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6 years ago
A researcher obtains chemistry achievement test scores from a group of high school students who have had laboratory experience and a group who have not. She recognizes the need to control for the variable intelligence in his study. Identify the type of control technique illustrated by the following procedures. The researcher selects a student from the lab condition who has the same IQ score as a non-lab student and continues this process to identify as many pairs as possible.
 
  a. match
  b. use analysis of covariance
  c. use a homogeneous group
  d. add intelligence as an additional independent variable

Ques. 2

In a study of aggression, the instrument used may not really measure aggression but rather assertiveness. If so, this would most likely affect the ____validity of the study.
 
  a. internal c. external
  b. construct d. statistical conclusion validity.
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zubirozubiro
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6 years ago
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6 years ago
Such an awesome helper!
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