PS101 Lecture Notes - Lecture 2: Frequency Distribution, Adrenocorticotropic Hormone, Olot People
Document Summary
Psychology e. g. $ spent on pets, pets = family make us feel good vague interrelated ideas to explain. Hypothesis: statement of relationship between two specific variables (anything measureable that is controlled/observed in the study) Pet meaning cat or dog (not fish, ferret, bird, so on) Specific to adopted pets from animal shelter. Creating specific def. of measurement, we avoid being ambiguous. Article focused on bp, not depression or other possible ways of measuring good . Adopting a dog or a cat from a shelter decreases blood pressure . Manipulate something (1 or 2) independent variable. Control other things all else is equal = control group. If all else is equal, then our manipulation caused outcome. Goal is to make everything equal aside from indep. variable (experience in control group is virtually the same as experimental group) Independent variable varies/manipulates to (iv): what the experimenter see its impact. Adopting a dog or cat pressure (dv): what is.
