How Could the Sample Selection Procedures Used in a Research

question 16

Multiple Choice

How could the sample selection procedures used in a research study investigating the levels of depression occurring in blind and sighted adolescents make the sample of blind adolescents more homogeneous?

• A) Eliminate subjects taking prescription medications
• B) Narrow the age range of subjects to those between 13 and 18 years
• C) Have the same person administer the questionnaire to all subjects
• D) Avoid telling the subjects the nature of the study

---

Definitions:

Cohorts

Groups of people banded together or treated as a group, often referred to in research or demographics studies.

Social Security

A government program designed to provide financial assistance to people with little or no income, especially the elderly, disabled, and unemployed.

Social Change

The transformation over time of the institutions, culture, and structure of society.

Infant Mortality Rate

The number of deaths per year of infants under age 1 for every 1000 live births.