research methods

1. which of these is nominal data?

  • Classifying participants as 'good', 'average' or 'poor'
  • ratings by an independent observer on a scale of 1 (very good) to 10 (very poor)
  • use of a stopwatch to record reaction time
  • self ratings by participants on a scale of 1 (very good) to 10 (very poor)
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Other questions in this quiz

2. what is the collective term for the mean, median and mode?

  • measures of central tendency
  • measures of central range
  • measures of central dispersion
  • measures of central significance

3. what data and design do you need for spearman's rho

  • Ordinal and correlation
  • interval and correlation
  • nominal and correlation
  • ordinal and repeated measurees

4. what type of validity is being checked when two different versions of a test are given to participants and then compared?

  • criterion
  • concurrent
  • ecologial
  • face

5. which of these is not a measure of dispersion?

  • standard deviation
  • mean
  • range
  • variance

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