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experimental hypothesis

a premise that describes what a researcher in a scientific study hopes to demonstrate if certain conditions are met, such as random selection of participants, random assignment to experimental groups or control groups, and manipulation of an independent variable.

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Psychology term of the day

March 3rd 2024

closed-class words

closed-class words

in a language, a category of words that does not readily admit new members, consisting mainly of words that serve key grammatical functions, such as pronouns, prepositions, and determiners (see function word). Compare open-class words.