key terms test 1 Flashcards
define aim
a general statement that explains the purpose of the research
define demand characteristics
when participants try to make sense of the research and act accordingly to support the aim of the research. ps may behave in a way to support the hypothesis, making the results less valid. conversely, the ps may deliberately try to disrupt the results
define directional hypothesis
one tailed hypothesis that states the direction of the difference or relationship
define extraneous variables
any variable other than the IV which might affects the results (the DV). where they are important enough to cause a change in the DV, they become confounding variables.
define field experiments
carried out in natural conditions, in which the researcher manipulates the IV to measure the effect on the DV