Practice Quiz

EPPP Psychology

Category - Research Methods and Statistics

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Meta-analysis is used to study outcomes of psychotherapy and evaluate effectiveness. In 1952, Hans Eysenck conducted one of the earliest meta-analysis on the improvement of neurotic disorders. What were his findings?
  1. One-third of neurotics improved over a two-year period regardless of treatment
  2. Two-thirds of neurotics improved over a two-year period regardless of treatment
  3. Two-thirds of neurotics improved over a two-year period with treatment
  4. One-half of neurotics improved over a one-year period without treatment
Explanation
Answer: B - Eysenck reported in his study that two-thirds of neurotics improved over a two-year period with or without treatment. He also noted that treatment seemed to have a negative effect on improvement when compared to non-treatment.
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