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Mathematics 12 Online
OpenStudy (dannyrod2000):

Statistics/ Algebra 2

OpenStudy (dannyrod2000):

Which of the following principles of experimental design ensures that the explanatory variable, and not some variable over which the experimenter has no control, is causing observed changes in the response variable? A. Control B. Blindness C. Randomization D. Replication E. Placebo effect

OpenStudy (dannyrod2000):

A?

OpenStudy (aripotta):

believe so

OpenStudy (dannyrod2000):

yes :)

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