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6. How many participants were added to the study who had been hospitalised once previously for schizophrenia to make the sample more generalisable?

  • 58
  • 68
  • 38
  • 48

7. How were premorbid functioning symptoms gathered through?

  • Laboratory Experiment
  • Semi-structured Interview
  • Questionnaire
  • Meta-analysis

8. How was information on the symptoms gathered?

  • Interview
  • Questionnaire
  • Meta-analysis
  • Laboratory Experiment

9. What was the mean age of these participants?

  • 24
  • 27
  • 32
  • 19

10. How many participants were originally used in Goldstein (1988)

  • 199
  • 169
  • 299
  • 329

11. How many participants who were diagnosed as schizophrenic by DSM-II in the 1970s retained their diagnosis from the DSM-III in the 1980s?

  • 190
  • 169
  • 222
  • 30