Correlational Research
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Correlational Research

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Correlational Research Presentation Transcript

  • 1. Presented by Nataly Castro
  • 2. It is the systematic investigation of relationships among two or more variables, without necessarily determining cause and effect.
  • 3.  Relational studies ex: Exists a relationship between the time that students spend on Internet chatting the night before an exam and the scores that they get.  Prediction studies ex: the next grades of the students are going to be similar to the last exam (according to the first example)
  • 4. Identify the variables Question Data Calculs Results
  • 5. Surveys. Score on various test or rating scales Demographic information
  • 6. Question • Do student grades relate to whether they are “morning people”? Method The researchers correlated two kinds of variables • Grades in early and late classes • Scores on a scale of “morningness” (13- item inventory)
  • 7. Result  There was a modest, significant, correlation between morningness and grades at 8:00 a.m., r= 0,1  Students who were not morning people did less well at 8:00 and performed better in later classes. CONCLUSION?
  • 8. The pattern did not hold for classes starting at 9:00 or later. So even “evening people” can do well in early classes. The study is correlational, so we do not know if being a morning person is the cause of better grades in the morning
  • 9. Correlational Studies involve relationships among variables. It is not possible to make determinations of causation with a correlational study.
  • 10.  Clarke, R. J. (2005) Research Methodologies  Smith, C. S., Reilly, C., & Midkiff, K. (1989). Evaluation of three circadian rhythm questionnaires with suggestions for an improved measure of morningness. Journal of Applied Psychology, 74, 728-738