experimental method

Question 1

experimental method

Answer 1

involves the manipulator of an independent variable to measure the effect on the dependent variable

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 the variables to be investigated stated at the outset of any study

Question 4

directional hypothesis ( one tail )

Answer 4

states the direction of the difference or relationship

Question 5

non directional hypothesis ( two tail )

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

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 variable 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 variable in terms of how they can be measured