A Researcher Constructs a Five-Item Measure of Attitudes Toward National

question 7

Multiple Choice

A researcher constructs a five-item measure of attitudes toward national health insurance. The average intercorrelations among the items is r_ii = .40. Using the Spearman-Brown formula, he finds that R^SB = .77. What is the reliability of the scale as a whole?

• A) .77
• B) .50
• C) .40
• D) Cannot be determined without knowing the sample size.

---

Definitions:

Social Disruption

A significant alteration or disordering of the structure and functioning of a social system or community.

Cultural Reform

Processes aimed at changing societal norms, values, and practices to improve social conditions and address cultural issues.

Political Organization

Structures and systems through which societies govern and organize themselves, including institutions, laws, and political parties.

Social Order

The set of rules, norms, and structures that govern and stabilize society, allowing for predictable and organized social behavior.