Experimental Method

What is the experimental method?

manipulation of the IV to measure effect on DV

examples of types of experiments

lab, quasi, natural, field

what is an aim

A general statement of what the researcher intends to investigate; the purpose of the study.

What is a hypothesis?

testable statement

What is a directional hypothesis?

States the direction of the difference or relationship

What is a non-directional hypothesis?

States the relationship exists, but not the direction

What are variables?

Any measurable conditions, events, characteristics, or behaviours that are controlled, changed or observed in a study

What is the independent variable?

the variable that is changed

What is a dependent variable?

variable that is measured

What is operationalization?

Clearly defining variables in terms of how they can be measured

what to use a directional hypothesis?

if the study has been done before