When Researchers Have a Good Estimate of the Expected Effect

question 55

Multiple Choice

When researchers have a good estimate of the expected effect size for an independent variable prior to conducting a study,they should

• A) perform a power analysis.
• B) compute an inferential statistics test.
• C) draw confidence intervals for their means.
• D) all of these

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Definitions:

Representative Sample

A subset of a population that accurately reflects the members of that population.

Single-Blind Study

A research experiment in which only the participants are unaware of who is receiving the treatment or placebo to prevent bias.

Surgical Error

A preventable mistake made during surgery, which can result in complications or harm to the patient.

Case Study

A case study is a research method that involves an in-depth investigation of a single case or instance, often used in psychology, sociology, and other social sciences.