PSYC 2000 : FINAL REVIEW
Document Summary
Scientific method: perceive, hypothesize, test, draw conclusions, report, revise, replicate. Experiments: allows us to make a very clear claim about causality. Representative sample: randomly selected sample of subjects from a larger population of subjects. Naturalistic observation: involves watching animals or people in their natural environments, lack of control. Laboratory observation: involves watching animals or people in an artificial but controlled situations. Case studies: detailed investigation of one subject, information gained cannot be applied to other cases. Survey: ask standardized questions of large groups of people that represents a sample of the population, respondents may not always be truthful or remember information correctly. A measure of the relationship between 2 variables (r= -1 to +1) Positive correlation: variables related in the same direction. Negative correlation: variables related in the opposite direction. Neurotransmitters: chemical substances found in the synaptic vesicles that, when released, has an effect on the next cell. Hormones: chemicals released into the blood stream by endocrine glands.
