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Chemistry
OpenStudy (anonymous):

Explain the difference between an experiment and other types of scientific investigations. Help me

OpenStudy (anonymous):

experimental investigation is designed in which variables are manipulated, controlled, and measured in an effort to gather evidence. (All known variables have been identified!) must know this! and Has independent/manipulated and dependent/response variables. comparative has no controls, a type of question, and might use variables. descriptive is when it is 'observed' and little is known. not an original hypothesis/research question. hope this helps

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