Without Random Assignment, Which of the Following Can Happen

question 7

Multiple Choice

Without random assignment, which of the following can happen?

• A)Naturally occurring confounding variables can result in an apparent relationship between the explanatory and response variables.
• B)The results may not be able to be extended to a larger population.
• C)Many people in the study will drop out because they aren't happy with the treatment they were assigned to.This will cause bias in the results.
• D)None of the above.

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Definitions:

CPI

Measuring the average price for a set basket of goods and services consumed by people, from food to healthcare and transportation, the Consumer Price Index employs their weighted average prices for assessment.

Price Level

The average of current prices across the entire spectrum of goods and services produced in the economy, often measured by inflation indicators.

Prosperity Phase

A period of economic growth and expansion, marked by high levels of production, employment, and consumer confidence.

Business Cycle

The fluctuation in economic activity that an economy experiences over a period of time.