experimental method

Question 1

define aim

Answer 1

the objective or purpose of their study

Question 2

define hypothesis

Answer 2

precise statement that clearly states the relationship between the variables being investigated

Question 3

define directional hypothesis

Answer 3

a hypothesis that specifies the direction of the relationship of the the experiment
eg. coffee will increases the reaction times

Question 4

define non-directional hypothesis

Answer 4

a hypothesis that does not specify the direction of the relationship of the experiment
eg. coffee will change the reaction times

Question 5

define independent variable (IV)

Answer 5

aspect of the experiment that has been manipulated by the researcher or simply changes naturally to have an effect on the DV

Question 6

define dependent variable (DV)

Answer 6

aspect of the study that is measured by the researcher and has been caused by a change to the IV

Question 7

define operationalisation

Answer 7

clearly defining the variables in terms of how they are being measured