Aims and Hypotheses Flashcards
What is an aim?
What the researcher intends to investigate
What is an IV?
What is changed
What is a DV?
What is measured
What is an EV?
A variable other than the IV that may affect the DV and should be controlled
What is a hypothesis?
A precise, testable statement of what the researcher predicts will be the outcome
What is Operationalisation?
Translating abstract concept into practical specific terms, allowing them to be measured or manipulated
What is a Null hypothesis?
Predicts no difference/relationship between two variables being studied (groups or conditions)
What is an Alternative hypotheses?
Predicts a difference/relationship between two variables being studied (groups or conditions)
What is a Directional hypothesis?
One tailed
STATES direction of difference/relationship
What is a Non Direction hypothesis?
Two tailed
DOES NOT STATE direction of difference/relationship