Question

3. How does randomization attempt to protect against confounding?

Answer 1

Research refers to a systematic and orderly inquiry where the researcher tried to identify new facts and ideas.Randomization defines as assigning samples into experiment group or control group. This is a way of providing all participants of the study to equally participating in the resarch. Randomization done using probability sampling techniques like lottery method,flipping a coin, quota sampling,Solomon four group design.

Variables refers to the component of the research study that is measurable,observable and dynamic. In a research study there are different types of variables like dependent variable,independent variable, research variable,confounding variable,demographic variable. Confounding variable act as a distraction variable that creates a mark mark impact on the dependent and independent variable of the study if it is not control by the researcher.

Randomization is a technique followed in a experimental design that divides the samples of the study into experimental and control group. Randomization helps in controlling extraneous controlling variables by segregating samples properly based on their characteristics.