Explain the Matched-Pairs Design

question 65

Multiple Choice

Explain the Matched-Pairs Design
-A medical journal published the results of an experiment on anorexia. The experiment investigated the effects of a controversial new therapy for anorexia. Researchers measured the anorexia levels of 72 adult women who suffer moderate conditions of the disorder. After the therapy, the researchers again measured the women s anorexia levels. The differences between the the pre- and post-therapy anorexia levels were reported. What type of experimental design is this

• A) matched-pairs design
• B) completely randomized design
• C) randomized block design
• D) single-blind design

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