A Researcher Observes an Association Between Hours Spent at Work

question 18

Multiple Choice

A researcher observes an association between hours spent at work and the risk of divorce.She controls for personal distress,thinking distress might explain why work hours would cause divorce.To assess this,the researcher will look for a change in the relationship between work hours and divorce once distress is added to the regression model.This is different from testing for a confounding variable because a test for confounding variables is conducted to determine if the association between the independent and dependent variables

• A)is due to the common influence of the confounding variable.
• B)is contingent upon the value of the confounding variable.
• C)actually occurs in the reverse direction than hypothesized.
• D)is actually an indirect pathway through the confounding variable.

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Definitions:

Conception

The moment when a sperm fertilizes an egg, leading to the beginning of pregnancy.

Multi-Directional Development

The concept that human development occurs in different directions and not in a linear fashion, showing gains and losses across the lifespan.

Continuity

The principle or quality of maintaining a consistent state or operation over time, often considered in contexts such as development, history, or processes.

Tortoise

refers to a terrestrial turtle, typically with a dome-shaped shell, known for its slow movement and long lifespan.