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This is an overview presentation on the Graduate Record Examination (GRE), the accepted selection criteria for post graduate education worldwide.

This is an overview presentation on the Graduate Record Examination (GRE), the accepted selection criteria for post graduate education worldwide.

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Gre Ppt Gre Ppt Presentation Transcript

  • GRE Graduate Record Examination
  • Topics
      • What does the GRE measure?
      • Interpreting and Using GRE Scores
      • P&P versus Computerized: What’s the Difference?
      • Test Taking Strategies
      • Reliability and Validity Evidence
      • Culture, Fairness, and Subgroup Differences
  • What does the GRE measure?
      • Analytical Writing (GRE-W)
        • Issue Essay (“Present Your Perspective on an Issue”)
        • Argument Essay (“Critique a Perspective”)
      • The skills measured include the test taker's ability to
        • articulate complex ideas clearly and effectively
        • examine claims and accompanying evidence
        • support ideas with relevant reasons and examples
        • sustain a well-focused, coherent discussion
        • control the elements of standard written English
  • What does the GRE measure?
      • Verbal Reasoning (GRE-V)
      • The skills measured include the test taker's ability to
        • analyze and evaluate written material and synthesize information obtained from it
        • analyze relationships among component parts of sentences
        • recognize relationships between words and concepts
  • What does the GRE measure?
      • Quantitative Reasoning (GRE-Q)
      • The skills measured include the test taker's ability to
        • understand basic concepts of arithmetic, algebra, geometry, and data analysis
        • reason quantitatively
        • solve problems in a quantitative setting
  • GRE Scores
      • Three scores are reported on the General Test:
        • a verbal reasoning score reported on a 200-800 score scale, in 10-point increments
        • a quantitative reasoning score reported on a 200-800 score scale, in 10-point increments
        • an analytical writing score reported on a 0 to 6 score scale in half-point increments.
          • Average of two raters for each essay
          • Two essay ratings then averaged and rounded up
  • What does the score mean?
      • GRE Score = (z-score)(100) + 500
      • Z-score = (X – u) / s
      • If you score 1 SD above the mean, your GRE score would be 600
      • If you score 2 SD below the mean, your GRE score would be 300
  • GRE scores in the admission process
      • Do NOT rely solely on the GRE to select students
      • Do NOT use combined or total scores
      • Do NOT report only mean GREs of accepted applicants
      • DO use other pieces of information, such as:
        • Relevant coursework
        • GPA
        • Letters of recommendation
        • Personal statement
        • Interview
        • Research experience
      • DO conduct validity studies
  • P&P versus Computerized
      • P&P and CAT GRE scores are comparable (i.e., equated) (r = .97, Mead & Drasgow, 1992 )
      • Scores are calculated differently, but interpretation is equivalent
      • P&P = # correct
      • CAT is a function of:
        • # Items answered correctly AND
        • Item difficulty
  • P&P versus Computerized
      • P&P Content
        • Everyone answers the same questions varying in difficulty, content, and question type
        • 76 V; 60 Q; 2 essays (argument and issue); test items under development
      • CAT Content
        • Each person answers unique items based on:
          • the statistical characteristics (including difficulty level) of the questions already answered
          • the required variety of question types
          • the appropriate coverage of content
        • 30 V; 28 Q; 2 essays (argument and issue); test items under development
  • CAT GRE Test Taking Strategies
      • Educated Guessing? YES
      • Rule of First 5
      • There’s no going back…and no skipping
      • Pace yourself
      • Towards end, answer as many as possible
      • But, don’t blow it at the end either ☺
      • Be happy if the questions keep getting harder
      • Concentrate more if they start getting easy
  • P&P GRE Test Taking Strategies
      • Leave no question unanswered
      • Feel free to change answers (although first choice is usually correct)
      • Record all answers in test booklet – If it’s not there, it doesn’t count
  • Reliability and Validity – GRE W
      • Discriminant Validity, r (W&Q) = .02
      • Convergent Validity, r (W&V) = .55
      • Reliability
        • Alpha = .87
        • Inter-rater (Issue) = .59
        • Inter-rater (Argument) =.73
  • Reliability and Validity – GRE V & GRE Q U V,Q V,Q,U Mastery of discipline .21 .52 .55 Professional productivity .25 .46 .53 Communication Skill .23 .46 .50 G-GPA .32 .40 .49 Predictors Reliability (10 yr. test-retest) = .86 Avg. gains: GRE-V = 40 points GRE-Q = 17 points
  • Culture, Fairness, and Subgroup Differences
      • Exhaustive Review of
        • Item Content
        • DIF Statistics
      • Have to look at which programs students are applying to
        • Ex: men traditionally go into math/science grad school programs; women gravitate towards social sciences and humanities
        • Therefore, not surprising that men score higher than women on the GRE-Q
  • Non-traditional students
      • 1 st generation college students
        • Perform more poorly on GRE-V and GRE-Q
        • Why?
          • More motivation at home
          • More resources (e.g., Kaplan, no need to work)
          • Higher income (better educational opportunities)
      • Older students
        • GRE-V & GRE-W do not change with age
        • GRE-Q decreases over time