Which of the following statements about good experiments is TRUE? A. A good expe

ID: 296006 • Letter: W

Question

Which of the following statements about good experiments is TRUE?

A. A good experiment should include all hypothesized casual factors in one experimental group.

B. A good experiment must have a least 3 groups: one control group and 2 experimental groups.

C.A good experiment should exlude or supress potentially confounding factors, if possible.

D. A good experiment should only include replication if the hypothesis has never been tested before.

Why is replication important to consider when designing an experiment?

A. Replication allows you to test multiple independent variables in the same experiment.

B. Replication increases confidence that your results apply more widely, not just to specific cases.

C. Replication is necessary to introduce systematic variaton into an experiment.

D. Replication increases the chances that a rare result leads you to an erroneous conclusion.

1) Option A is correct

A good experiment should include all hypothesized casual factors in one experimental group.

2) Option A is correct

Replication allows you to test multiple independent variables in the same experiment

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