PSY 250 Midterm: PSY 250 Lecture Notes EX 2
Document Summary
Iv: the manipulated factor - under the experimenters control (unless subject variable: must have a minimum of 2 levels. 3 general varieties: situational variables: features in the experiment environment e. g. the # of bystanders in a helping behavior study, task variable. 3. e. g. diff types of logic problems, mazes of diff levels of complexity. Instructional variables: the way in which participants were asked perform a certain task e. g. remember a lot of words by forming visual images, forming associations/ repeating the word 3x. Should be identical to the experiments group in all ways except they don"t get treatment. Provides the baseline against which the experimental group can be compared. Participants asked to move 10 putts of 100cm. Experimental group -> given reason to feel lucky - here"s your ball, for it has turned out to be a lucky ball . Control group -> no particular reason to fell lucky - this is the ball everyone has used so far .
