When purifying a set of items,the researcher
A)eliminates items that seem to create confusion among respondents.
B)can use coefficient alpha to assess the correlation among items from the domain of a single construct.
C)adds new items to replace those eliminated.
D)Both a and b.
E)a,b,and c.

Question

Quizplus · Accepted Answer

When purifying a set of items, the researcher eliminates items that seem to create confusion among respondents (option A). Additionally, the researcher can use coefficient alpha, a measure of internal consistency, to assess the correlation among items from the domain of a single construct (option B). However, adding new items to the set is not always necessary (option C). Hence, the correct choice is D.

When Purifying a Set of Items,the Researcher