Identify the following as paired samples or independent samples. In each case, give the appropriate df.
-A psychologist gave a pretest and matched each participant with another participant. Half were given an amphetamine and half were given a placebo. All 40 participants then learned a new task.

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The Answer of Identify the following as paired samples or independent samples. In each case, give the appropriate df.
-A psychologist gave a pretest and matched each participant with another participant. Half were given an amphetamine and half were given a placebo. All 40 participants then learned a new task.

Identify the Following as Paired Samples or Independent Samples