PSY 1101 Lecture Notes - Lecture 4: Acetylcholine, Insomnia, Neurotransmitter

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Najwa Haddad

Document Summary

Independent variable (iv): it is a variable that is causing + affecting + influencing another variable. Dependant variable (dv): it"s the variable that is being changed + affected by the iv. Confounding variable: the name given to other iv. We need to control or else they will confuse your results. *2 types of confounding variable: known iv: based on research these iv"s affect the variable you are studying, unknown iv"s: iv"s use random assignment to control unknown variables that could control the results. Placebo effect: when we are testing a drug to see if it is effective we use the placebo effect. *placebo*: is an inert substance or therapy that has absolutely no therapeutic value. *placebo effect*: when we feel better when we believe that the treatment will help us, even though the treatment has no effect, is worthless. Cns (central nervous system) brain + spinal cords (peripheral nervous system)