experimental method

Question 1

experimental method

Answer 1

involves the manipulation of an independent variable to measure 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 investigate, the purpose of the study

Question 3

hypothesis

Answer 3

a clear, precise, testable statement that states the relationship between variables to be investifated

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 of the difference or relationship

Question 6

variables

Answer 6

any ‘thing’ 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

operationalisation

Answer 7

clearly defining variables in terms of how they can be measured

Question 8

levels of the IV

Answer 8

usually two levels of the IV - eg experimental condition and control condition