Abstracted from CPP Currents article by Janet Bachand, Summer 1998
FORM G (1977)
All preferences equally valuable;
Items based on Jung and Myers type theory;
Purchasing requires qualifications
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FORM M (1998)
All preferences equally valuable;
Items based on Jung and Myers type theory;
Purchasing requires qualifications
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126 items;
94 scored for type;
32 research items
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93 items scored for type;
51 items from Form G unchanged;
42 items - reworded from G or new
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Four-letter type
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Four-letter type
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Scoring based on Myers' Prediction Ratio
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Scoring based on Item Response Theory (IRT)
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Scored items weighted 0, 1, or 2 in both the
computer and template scoring versions
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All items weighted 1 in template scoring and
weighted by IRT method in computer scoring
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Forced choice item format;
Choice of 2 or 3 responses
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Forced choice item format;
Choice of 2 responses
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Phrase and word pair items
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Phrase and word pair items
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Separate male and female weights
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Same weights for males and females
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Hand-scoring with templates;
Computer scoring
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Hand-scoring with templates;
Computer scoring
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Type, not trait
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Type, not trait
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Standard MBTI® form 1977-1998;
Basic form;
Self-scorable form
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Standard MBTI® form as of August 1998;
Basic form;
Self-scorable form
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