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Scientific method

8 practice questionsPsychologyStep-by-step solutions

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1

A correlation coefficient indicating a strong relationship between two variables means that:

A.One variable causes the other
B.The two variables tend to change together predictably
C.There is no relationship
D.The study is flawed
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2

In an experiment, the variable that the researcher deliberately manipulates is the:

A.Dependent variable
B.Independent variable
C.Confounding variable
D.Control group
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3

A placebo in an experiment is:

A.The active drug being tested
B.An inactive substance given to a control group
C.A measurement error
D.The independent variable
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