Of the Following Techniques for Collecting Data, Which One Is

question 152

Essay

Of the following techniques for collecting data, which one is generally considered the least costly to implement: experiments, telephone surveys, mail questionnaires, direct observation, personal interview?

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Definitions:

Passive Surveillance

The monitoring of disease or health indicators without active efforts to reach out to individuals or health care providers; relying instead on reports received through routine channels.

Disease X

A placeholder name used by the World Health Organization for a hypothetical, unknown pathogen that could cause a future epidemic.

Baltimore

A major city in Maryland, USA, known for its historical significance and cultural attractions.

Men Aged 40

Refers to males who have reached the age of 40, often considered a demographic group in health studies due to various age-related risk factors.