Hypotheses & Aims - Research Methods Flashcards
what is an aim?
the general purpose of the study & what it is trying to discover
what is a hypothesis?
a testable statement which predicts whether and how the IV will affect the DV. This is technically called an alternative hypothesis.
what phrases do most aims start with?
to investigate if there is a difference in/relationship between…
what is a null hypothesis?
a testable statement which predicts that the IV will have no impact on the DV
what phrases do most null hypotheses start with?
there will be no difference in/ relationship between…
what is an alternative hypothesis?
a testable statement which predicts how the IV will affect the DV.
what is a directional/one-tailed hypothesis?
a hypothesis which predicts the nature of the effect of the IV on the DV
what is a non-directional/two-tailed hypothesis?
a hypothesis which predicts that the IV will have an effect on the DV, but this effect is not specified
