Examlex
Between-groups and between-persons variation are sources of error in the one-way within-subjects ANOVA.
Clean Room
A controlled environment with a low level of pollutants such as dust, airborne microbes, aerosol particles, and chemical vapors, used in scientific research and manufacturing.
Primary Reinforcers
Stimuli that satisfy basic biological needs and are inherently rewarding.
Food
Substances consumed to provide nutritional support for an organism, typically consisting of essential nutrients.
Water
A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
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