Question

A research study is planned to determine the effect of nutritional supplementation and type of support surface on the rate of wound healing in sacral myocutaneous flap failures. Which are independent variables in this study?

Answer 1

Type of support surface

Nutritional supplementation

Step-by-step explanation:

Variable

This is simply an element, feature, or factor that is prone to change or be altered. There is the independent and the dependent variable.

An Independent variable

This is simply refered to as a variable that is deliberately altered or changed to observe its effect on the dependent variable. It is that variable that a researcher or a scientist alters or changes and you have control over. They are the factor being tested in an experiment.

An example is the liquid used to water each plant in an experimental studies.