Research methods key words

A statement about what the researcher expects to find.

A general statement that the observed variables will have no impact as there is no relationship between them. E.g. "watching television before bed has no impact on how fast you fall asleep"

A prediction that one variable will affect the other. E.g. "watching scary movies before bed affects how fast you fall asleep"

Manipulated by the experimenter

Measured by the experimenter

Affect the study and make it difficult to know whether it is the IV that affects the DV.

They are cues that might indicate the studies aims to participants. These cues can leas to participants changing their behaviour.