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CHAPTER MEASUREMENT: SCALING,

9 RELIABILITY, VALIDITY

TOPICS DISCUSSED

SCALING TECHNIQUES FREQUENTLY USED
• Rating Scales
• Dichotomous Scale
• Category Scale
• Likert Scale
• Semantic Differential Scale
• Numerical Scales
• Itemized Rating Scale
• Fixed or Constant Sum Rating Scale
• Stapel Scale
• Graphic Rating Scale
• Consensus Scale
• Ranking Scales
• Paired Comparisons
• Forced Choice
• Comparative Scale
GOODNESS OF MEASURES
• Stability
• Test–Retest Reliability
• Parallel-Form Reliability
• Internal Consistency
• Split-Half Reliability
• Interitem Consistency Reliability
• Validity
• Content Validity
• Face Validity
• Criterion-Related Validity
• Concurrent Validity
• Predictive Validity
• Construct Validity

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