SOLVED3321

A nurse researcher is studying the benefits of therapeutic touch in the alleviation of chronic arthritic pain. He enrolls a number of interested volunteers who receive a series of therapeutic touch sessions. Using a standard validated pain measurement tool, he then compares reported levels of pain (before and after treatment) between this group and patients receiving standard treatments in the arthritis clinic. There was a significant reduction in pain scores in people who had therapeutic touch. A major threat to validity in this study is: Group of answer choices selection bias/error none; it appears to be a well-done study confounding by age measurement bias/error lead time bias/error
SCIENCE
HEALTH SCIENCE
NURSING

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