psyc- - Review for Test 1 Variables and Measurement...

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Review for Test 1 01/10/2008 23:40:00 Variables and Measurement Frequency Distribution Central Tendency Variation Z-Scores Measurement translates: observations into data. Measurement Model Data World-Changes in Quantitative Value of Measurement Variable (-------arrow pointing up here------------) Conceptual World-Changes in Property being Measured Continuous or Discrete? Continuous=interval, ratio Discrete=nominal, ordinal Continuous: precision of measurement scale there is in principle Discrete: property is inherently divisible into discrete units, in principle, no  magnitudes of property between units Real Limits     Important for continuous measure Score represents region  on property scale LRL=score minus .5 measurement unit URL=score plus .5 measurement unit memory ability=interval
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measured by number of words
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This note was uploaded on 02/08/2010 for the course PSYC 101 taught by Professor Mccreary during the Spring '07 term at VCU.

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psyc- - Review for Test 1 Variables and Measurement...

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