PSYCH 2300 Chapter Notes - Chapter 3: Operational Definition, Internal Validity, Scatter Plot
8 Feb 2018
School
Department
Course
Professor
Document Summary
3 claims, 4 validities: interrogation tools for consumers of research. Constant - something that could potentially vary but that has only 1 level in the study in question. Texting while driving = the variable, and whether a person does or does not text and drive are the 2 levels. Measured variable - one whose levels are simply observed and recorded. Manipulated variable - a variable a researcher controls, usually by assigning participants to the diff levels of that variable. Conceptual variables - abstract concepts such as shyness or intelligence". Must be defined at the theoretical level, these definitions are called conceptual. Operational definitions/operational variables - specifically stated variables. Operationalize - to turn a concept of interest into a measured or manipulated variable. Claim - the argument someone is trying to make. 1 in 25 us teens attempt suicide. Frequency claims - describe a particular rate or degree of a single variable.
