Before Jonas Salk Discovered a Vaccine to Prevent Polio, People

question 150

Multiple Choice

Before Jonas Salk discovered a vaccine to prevent polio, people noticed a correlation between outside temperature and the incidence of polio: The warmer the temperature over the course of the year, the more outbreaks of polio. This relationship is an example of a(n) __________ correlation.

• A) negative
• B) positive
• C) bimodal
• D) illusory

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Definitions:

Public Policy

Strategies and laws implemented by governments aimed at addressing public issues and guiding organizational behavior within a society.

Survey Method

A research technique for gathering data from a predefined group of respondents by asking questions, analyzing the results, and generalizing the findings.

Questionnaire

A set of written questions used for gathering information from respondents, typically in research studies.

Buying Habits

Patterns or tendencies that consumers show when purchasing goods and services, often analyzed for marketing strategies.