Question

What is a scientific investigation made under controlled conditions to test the validity of a hypothesis

Answer 1

An experiment is a procedure that tests a hypothesis by the process of collecting information under controlled conditions.

What is a controlled scientific test of hypothesis ?

A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant.

• Controlled experiment. an experiment that compares the effect of one manipulated variable to a group that receives no treatment. controlled variables. factors that should be kept the same in both the treatment group and the non-treated group.

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