NAME: ________________________

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5 Written Questions

5 Matching Questions

  1. placebo effect
  2. mean
  3. scatterplot
  4. natural selection
  5. central nervous system
  1. a the arithmetic average of a distribution, obtained by adding the scores and then dividing by the number of scores
  2. b brain and spinal cord
  3. c a graphed cluster of dots, each of which represents the values of two variables. The slope of the points suggests the direction of the relationship between the two variables. The amount of scatter suggests the strength of the correlation (little scatter indicates high correlation).
  4. d experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition, which is assumed to be an active agent
  5. e the principle that, among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations

5 Multiple Choice Questions

  1. a testable prediction, often implied by a theory
  2. a computed measure of how much scores vary around the mean score
  3. an observation technique in which one person is studied in depth in the hope of revealing universal principles
  4. the bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body
  5. the level of stimulation required to trigger a neural impulse

5 True/False Questions

  1. peripheral nervous systemthe sensory and motor neurons that connect the central nervous system to the rest of the body


  2. random assignmenta sample that fairly represents a population because each member has an equal chance of inclusion


  3. control conditiona measure of the extent to which two factors vary together, and thus of how well either factor predicts the other. The ____ coefficient is the mathematical expression of the relationship, ranging from -1 to +1


  4. theorya layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next


  5. structuralisma school of psychology that focused on how mental and behavioral processes function - how they enable the organism to adapt, survive, and flourish.


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