Two versions of the Personal Orientation Inventory
were administered to 317 subjects. One version employed
the standard two-choice response format. The
other version used a six-choice response format. The
purpose of this study was (1) to determine if a multiple-
response format resulted in improved psychometric
properties, (2) to compare the component structure of
the two versions, and (3) to compare the empirically
derived scales with the theoretically defined scales.
The results showed a slight improvement for the multiple-
response format, but with poorly defined component
patterns. The change in format resulted in a
change in component structure. The components derived
from both versions did not correspond to the
theoretical scales. An analysis indicated that the only
well-defined component from either response format
could be interpreted as measuring social desirability
responding rather than measuring content. A follow-up
questionnaire indicated greater subject acceptance of
the six-choice version.
Velicer, Wayne F, DiClemente, Carlo C & Corriveau, Donald P. (1984). Item format and the structure of the Personal Orientation Inventory. Applied Psychological Measurement, 8, 409-419. doi:10.1177/014662168400800405
Velicer, Wayne F.; DiClemente, Carlo C.; Corriveau, Donald P..
Item format and the structure of the Personal Orientation Inventory.
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