experimental methods

Question 1

experimental method

Answer 1

Involves the manipulation of an independent variable to measure the effect on the dependent variable. Experiments may be laboratory,field,natural or quasi .

Question 2

aim

Answer 2

a general statement of what the researcher intends to find investigate; the purpose of the study

Question 3

hypothesis

Answer 3

a clear, precise testable statement that states the relationship between the variables to be investigated . Stated at the outset of any study .

Question 4

directional hypothesis

Answer 4

states the direction of the difference or relationship

Question 5

non-directional hypothesis

Answer 5

does not state the direction

Question 6

variables

Answer 6

anything that can vary or change within an investigation. variables are generally used in experiments to determine if changes in one thing result in changes to another.

Question 7

independent variable

Answer 7

some aspect of the experimental situation that is manipulated by the researcher- or changes naturally -so the effect on the dv can be measured

Question 8

dependent variable

Answer 8

the variables that is measured by the researcher. Any effect on the dv should be caused by the change in the iv

Question 9

operationalisation

Answer 9

clearly defining variables in terms of how they can be measured