Aims/hypothesis Flashcards
what is an aim?
a statement identifying the purpose of an investigation
always contain words investigate or investigation
what is a hypothesis?
a precise and testable statement about the assumed relationship between variables and what the researcher predicts will be the outcome of a study.
what is an experimental/alternative hypothesis?
- a hypothesis used in the context of an experiment
- predicts a difference/relationship between 2 variables
what is a directional hypothesis?
states the expected direction of the results
what is a non-directional hypothesis?
states and expected difference but doesn’t state the direction of the results.
what is a null hypothesis?
-predicts no difference between 2 variables
-states that there will be no relationship between variables being tested
(begin with ‘there will be no difference/relationship’ when answering a Q on null hypothesis)