Almost Half of All Adults Over 65 Can Be Expected

question 7

Multiple Choice

Almost half of all adults over 65 can be expected to have _____.

• A) visual impairment
• B) hypertension
• C) diabetes
• D) arthritis
• E) heart disease

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Definitions:

Anecdotal Evidence

Evidence based on personal accounts, observations, or stories, not considered reliable or scientific.

Double-Blind Experiment

A study or experiment in which neither the participants nor the researchers know who is receiving a particular treatment, in order to prevent bias.

Observational Study

A research method in which subjects are observed in their natural environment without any manipulation by the researcher.

Matched Pairs Experiment

A study design in which subjects are paired based on certain characteristics, with one subject in each pair receiving the treatment and the other serving as a control.