When a Researcher Asks the Question, "Have Subjects Been Pre-Selected

question 59

Multiple Choice

When a researcher asks the question, "Have subjects been pre-selected so as to represent the extremes on the variable of interest?" she is concerned with which one of the following potential threats to internal validity?

• A) testing effect
• B) maturation
• C) subject selection
• D) regression effect

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Perceptions of Trust

How trustworthiness is viewed by individuals, often influencing their willingness to be vulnerable or to cooperate with others.

Contrast Effect

A cognitive bias where the evaluation of something is influenced by comparisons with recently encountered contrasting objects or events.

Perceiver

Someone who observes and interprets stimuli through the senses, forming perceptions based on their cognitive processes and prior experiences.

Target People

Individuals or groups that are the intended recipients or beneficiaries of specific actions, policies, or products.