Experimental Method Flashcards
Define experimental method
Involves the manipulation of an independent variable to measure the effect on the dependent variable.
What are the 4 types of experiment?
Lab, field, natural or quasi
Define aim
A general statement of what the researcher intends to investigate, the purpose of the study.
Define hypothesis
A clear, testable statement that states the relationship between the variables being investigated. Stated at the outset of any study.
What is a directional hypothesis?
States the direction of the difference or relationship
What is a non directional hypothesis?
Doesn’t state the direction of the difference or relationship
Define independent variable
Some aspect of the experiment that is manipulated by the researcher ar changes naturally so the effect on the dv can be measured
Define dependent variable
The variable that is measured by the researcher. Any effect on the dv should be caused by the change in IV
Define operationalisation
Clearly defining variables in terms of now they can be measured.