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Assesses the degree to which our results can be attributed to our independent variables.

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$8.99


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  1. ______________ assesses the degree to which our results can be attributed to our independent variables.
  2. Dr. Poe is conducting an experiment in which he is examining the effect of taking tests on later memory for studied material. He has his participants study two standardized test passages.  For one of the passages, participants are given a second opportunity to study the passage, followed by a recall test.  For the other passage, they are given a multiple choice test followed by a recall test.  He finds that performance in the recall test is better for the passage for which participants were tested than the passage that was studied twice.  Which of the following best describes Dr. Poe’s study?
  3. Dr. Washington is conducting an experiment in which he is interested in the effects of the drug alprazolam on episodic memory in adult participants.  He conducts an experiment in which he gives one group a pill containing 1 mg of the drug and a second group a placebo pill.  One hour following drug administration he has the participants study 50 words, one a time, and then asks them to recall as many of the words as possible.  What is Dr. Washington’s independent variable?
  4. __________________ are mean comparisons that involve comparing only the means for which differences were predicted by the hypothesis.
  5. ___________________ is the occurrence of a change in behavior resulting from the mere expectation that change will occur.
  6. ___________________ is a criterion for judging external validity which indicates the research replicates the psychological conditions of the real world.
  7. Dr. Grey is conducting a research study in which she has assigned her participants to conditions prior to the experiment.  She has flipped a coin to determine if each participant is in condition A or B until she has an equivalent number of participants in each condition.  What procedure has this investigator used?
  8. Dr. Jefferson is conducting an experiment in which she is interested in the effects of caffeine on visuospatial ability in adult participants.  She conducts an experiment in which she gives one group a pill containing 20mg of caffeine and a second group a placebo pill.  One hour following pill administration she has the participants complete a mental rotation task.  What is Dr. Jefferson’s dependent variable?
  9. The threat to validity known as reactive arrangements is a problem for __________.
  10. A(n)  _____________ is the effect of each independent variable on the dependent variable, collapsing across the levels of other independent variables

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