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A heterogeneous sample helps to control the influence of extraneous variables in a study.

Sai2

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A heterogeneous sample helps to control the influence of extraneous variables in a study.

A heterogeneous sample helps to control the influence of extraneous variables in a study.

A) True
B) False

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lhess431

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Sai2 Author

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6 years ago

Thank you, thank you, thank you!

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Thanks

derya1234

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You make an excellent tutor!

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