Psy334

  1. Initial outcome:
    • Raw score (add up scores in category).
    • Norm: based on population.
  2. Types of norms:
    percentiles, age equivalent, standard scores (ex: Weschler).
  3. Central tendency:
    mean, median, and mode; score in the middle (extremes).
  4. Variance and standard deviation: Variance is SD squared
    • Standard deviation (SD):
    • how far from mean; get mean from SD.
  5. Normal curve:
    68% fall below and above 1 SD; average above 34% above or below the SD (ex: distribution of mental health scores will approximate the normal curve).
  6. Skewed distribution:
    negative-too many easy questions; positive-too many hard questions; median is correct score.
Author
Luimi
ID
316911
Card Set
Psy334
Description
Chapter 3
Updated