Exam 4 Targeted Review Questions: psy

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Exam 4 Targeted Review Questions: PSYC.314

  1. What are the main advantages and disadvantages of using a Small N research design compared to Large N design?

  1. The development of what statistical technique led to an increase use of Large N designs in contemporary research? Why did B.F. Skinner advocate the use of small N designs?

  1. Describe some research areas that use the small N design.

  1. Describe each component of the ABA design. Which component is analogous to the control group in a two-group design? What is an important requirement for use of the ABA design?

  1. Describe variations of the ABA and small N designs. How many ‘returns to the baseline condition’ are associated with different variations of the design? Which variation does not include a baseline condition?

  1. What determines the internal validity of an experiment? What is a manipulation check? What is a pact of ignorance?

  1. What conclusions can and can not be inferred from statistical tests? Can you ever prove the experimenter hypothesis? Conducting too many a priori comparisons threatens what type of validity? What are the requirements of externally valid results?

  1. What is the difference between a multivariate MANOVA design and a univariate ANOVA design with multiple variables?

  1. What is the advantage of using an unobtrusive measure? What research design includes a manipulation of antecedent conditions and measurement of behavior in a natural setting?

  1. Describe in general terms the numerator and denominator of the formula for the t-test.

  1. What is the difference between variance, standard deviation and standard error of the mean? Which measure of variability is more common in animal versus human studies?

  1. Explain Type I and Type II error. What type of error is made when the result is significant and when the result is not significant? What is the alpha (α) level and which type of error is it related to?

  1. What is an effect size and why is it important? What does research significance (as opposed to statistical significance) mean?

  1. What should you consider when a result is not significant? How should you deal with a nonsignificant result when the procedures for testing the hypothesis were sound?

Several extra credit questions from Inside the Animal Mind

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