experiments Flashcards
what does empiricism mean
information gained through direct observation or experiment
what does objectivity mean
observations and experiments unaffected by bias
what does replicability mean
reliable and can be repeated to find similar results
what does rational mean
meaningful
logical
verifiable
what does the aim of an investigation mean
the purpose of the investigation
what is an alternate or experimental hypothesis
the statement they wish to test
what is a testable prediction
what’s expected to happen in an experiment
what is a null hypothesis
states that the results were obtained due to the chance , not the IV
what’s an independent variable
something that has been manipulated (changed) by the psychologist
what is a dependent variable
the thing that is measured by the psychologist