Lecture 7 Flashcards
experiencing physical warmth promotes interpersonal warmth study:
subjects were met by the experimenter, and in elevator the experiment asked the subject to hold their drink while they wrote down the subjects info.
Mr schmoe:
intelligent, skillful, industrious, determined, practical, cautious
type of participants:
availability, precedent, type of research project
number of participants
finances, time, availability, expected amount of variability, power
power:
probability that a statistical test will be significant
presenting your IV:
type of IV, cost, little bit of ingenuity
recording your DV:
appropriately accurate, not too expensive to maintain
true or false, the experimenter can be an extraneous variable:
true. they can have characteristics such as extroverted experimenter
experimenter expectancies potentially lead to:
Rosenthal effects which are self fulfilling prophecies
how can we prevent experimenter as extraneous variable?
hold the experimenter constant
experimenter expectancies:
- careful instructions for participants an scoring/evaluating
- automated data collection
- single- blind study
single blind study:
experimenter does not know which group each participant is in
therapeutic pads study:
subjects evaluated test products (either hot or cold therapeutic pads), ask to choose their compensation. one was described as a gift for friend or a personal reward for subject
therapeutic pads study results:
participants were likely to choose physical coldness for themselves than a gift for the friend. the physical warmth were more likely to choose the gift for a friend than themselves
demand characteristics:
features of an experiment that inadvertently lead participants to respond in a particular manner. can either function as an extraneous or nuisance variable
