To Get Potentially Significant Results from an Experiment Using a High-Variation

question 6

Multiple Choice

To get potentially significant results from an experiment using a high-variation population,

• A) a large sample size is needed.
• B) a short timeframe is needed.
• C) a negative p-value is needed.
• D) all of the above

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Definitions:

Observer

An individual who watches or records events or phenomena, often as part of a scientific study or research project.

Pretest and Posttest

Assessment tools used before and after an intervention to measure the effectiveness of that intervention.

Experiments

Methodological approaches and techniques in research designed to test hypotheses under controlled conditions to establish cause-and-effect relationships.

Variable

is a characteristic, number, or quantity that can be measured or quantified and can vary among individuals or over time.