hypotheses Flashcards
page 135 in textbook -
what is a null hypothesis?
a null hypothesis is a prediction in which a result or outcome will have either no or very little effect. In order to write a null hypothesis, you need to imagine what would happen to the independent and dependent variable to have very little effect.
what is an alternative (experimental) hypothesis?
an alternative (experimental) hypothesis is a prediction of the expected outcome of the study. It is usually based on a theory.
what is a directional hypothesis?
If the theory has a clear claim then you can use a directional hypothesis.
what is non-directional hypothesis?
a non directional hypothesis is if the theory cannot make a clear prediction or if the evidence is mixed. This hypothesis states that a difference or relationship will be found but does not state what the difference or relationship will be
what is experimental hypothesis?
an experimental hypothesis is when a laboratory or field experiment is being carried out.
