Experiments Are Often Conducted in Public Health Research Where a Distinction

question 37

Essay

Experiments are often conducted in public health research where a distinction is made between an efficacy experiment and an effectiveness experiment. Efficacy experiments focus on whether a new health program works under ideal conditions; effectiveness experiments test the program under typical conditions that health professionals encounter in their day-to-day work. Discuss how efficacy experiments and effectiveness experiments reflect concerns about internal validity threats on the one hand and generalizability on the other.

---

Definitions:

Annual Amortization

The process of gradually paying off a debt through regular payments over a set period, with each payment covering both interest and principal components.

Investment Sale

The process of selling securities or assets with the aim of generating returns such as capital gains or income.

Parent Company

A corporation that owns enough voting stock in another corporation to control its board of directors and therefore its policies and management.

Subsidiary

A company that is controlled by another entity, known as the parent company, through ownership of more than half of its voting stock or through other means.