Which of the following refers to the requirement of the Guttman scale that the items measure only one dimension or concept);this is assumed if ninety percent reproducibility is achieved?
A)Unidimensionality
B)Poly-dimensionality
C)Multi-dimensionality
D)All of the above

Question

Quizplus · Accepted Answer

Unidimensionality refers to the concept that a scale or measurement tool assesses only one dimension or concept. In the context of the Guttman scale, achieving ninety percent reproducibility is indicative of this characteristic, as it suggests that the items on the scale consistently measure the same underlying construct.

Which of the Following Refers to the Requirement of the Guttman