McGoey Psychometric Jeopardy

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McGoey PsychometricJeopardy!!!!!
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VALIDITY
RELIABILITY
NORM-REFERENCED MEASUREMENT
DESCRIPTIVE STATISTICS
100
100
100
100
200
200
100
200
300
300
200
300
200
400
400
400
300
500
500
500
300
600
600
600
700
400
400
500
500
600
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AVERAGE

• Descriptive Statistics for 100

A
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SCALES OF MEASUREMENT

• Descriptive Statistics for 100

A
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MODE

• Descriptive Statistics for 200

A
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MEDIAN

• Descriptive Statistics for 200

A
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STANDARD DEVIATION

• Descriptive Statistics for 300

A
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DISTANCE BETWEEN THE HIGHEST AND LOWEST SCORES
A
Descriptive Statistics for 300
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NORMAL CURVE

• Descriptive Statistics for 400

A
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VARIANCE

• Descriptive Statistics for 400

A
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REGRESSION EQUATIONS

• Descriptive Statistics for 500

A
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CORRELATIONS

• Descriptive Statistics for 500

A
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ACCURACY OF PREDICTED SCORES

• Descriptive Statistics for 600

A
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MeanArithmatic average of all scores in a set
of scores
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NominalOrdinalIntervalRation

• Bonus Question
• Which is the WISC-IV?

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Score that occurs most often
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Middle point in set of scores
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Extent to which scores deviate from the
meanSquare root of variance
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Range
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Bell-shaped curve
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Statistical measure of the amount of spread in a
group of scores (s²)
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Used to predict the score on one variable from
the score on another variable through a linear
equation
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Degree of association or relationship among 2
variablesStrength Direction-1.0, 1.0
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A measure of the accuracy of predicted Y score in
a regression equationEqual to the Standard
Error of Estimate
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Extent to which a test measures what it is
supposed to measure

• Validity for 100

A
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CONTENT VALIDITY

• Validity for 200

A
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Degree to which a test measures a psychological
trait or construct

• Validity for 300

A
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CRITERION RELATED VALIDITY

• Validity for 400

A
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Necessary but not sufficient

• Validity for 600

A
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Validity
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Items represent domain that test purports to
measure
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CONSTRUCT VALIDITY
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Relationship between test scores and some type
of outcome-Concurrent-Predictive-Related to
future performance
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Factors affecting validity
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Reliability
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Rxx

• Reliability for 100

A
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STABILITY OVER TIME

• Reliability for 200

A
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Alternate Form Reliability

• Reliability for 300

A
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INTERNAL CONSISTENCY

• Reliability for 400

A
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Standard Error of Measurement

• Reliability for 600

A
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CONFIDENCE INTERVAL

• Reliability for 700

A
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Reliability Coefficient.00 to 1.00
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Test-Retest Reliability
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Equivalent Form(Parallel Form)
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Split HalfIntercorrelations among
PartsExtent to which items measure the same
trait
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Factors that affect the reliability of a test
situation
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Amount of error usually attached to an examinees
obtained score
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A range of scores that has a high probability of
including the examinees true score
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Age-Equivalent Scores

• Norm-Referenced Measurement for 200

A
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Point on a distribution at or below which the
scores of a given percentage of individuals fall

• Norm-Referenced Measurement for 300

A
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STANDARD SCORES

• Norm-Referenced Measurement for 400

A
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Single digit scoring system with a mean of 5 and
a standard deviation of 2

• Norm-Referenced Measurement for 500

A
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3 Items to consider when evaluating norm group
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Derived ScoreMean score of a certain age group
used as a comparison
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PERCENTILE RANK
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Transformed raw score to have a given mean and
standard deviationExpress how far a score falls
from the mean in terms of the SD
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STANINES
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TRANSFORMED SCOREMean 50 / SD 10
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Length, Test-Retest Interval, Variability of
Scores, Guessing, Variation of Test Situation
A
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Test related variables, variables with in the
criterion measure, intervening events, and
contingencies, reliability
A
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Representativeness, Size, and Relevance
A
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T-SCORE,Z-SCORE
A