LIFE SCIENCE

Detailed explanation-1: -A correlational research design investigates relationships between variables without the researcher controlling or manipulating any of them. A correlation reflects the strength and/or direction of the relationship between two (or more) variables. The direction of a correlation can be either positive or negative.

Detailed explanation-2: -Correlational research is a type of nonexperimental research in which the researcher measures two variables and assesses the statistical relationship (i.e., the correlation) between them with little or no effort to control extraneous variables.

Detailed explanation-3: -Correlational research is a type of non-experimental research method in which a researcher measures two variables and understands and assesses the statistical relationship between them with no influence from any extraneous variable.

Detailed explanation-4: -Correlational researchattempts to determine the extent of a relationship between two or more variables using statistical data.