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Definition When the researcher's expectations influence the data. Example In a 1963 study conduc...

Definition Research in which the investigator observes and records behavior without manipulating ...

Definition A statement that there is no effect or no relationship between variables. Example A r...

Definition Mixed-methods research is an approach to research that combines both quantitative (num...

Definition The process of assigning numbers or labels to phenomena according to specific rules. ...

Definition Research that involves repeated observations of the same variables over time. Example...

Definition A summary of existing research related to a specific topic. Example A researcher want...

Definition A committee that reviews research proposals to ensure ethical standards are met. Exam...

Definition Ensuring participants are fully aware of the study and voluntarily agree to participat...

Definition The variable that is manipulated to observe its effect on the dependent variable. Exa...

Definition A testable prediction about the relationship between two or more variables. Example A...

Definition Generalizability, in the context of a research study, refers to the extent to which th...

Definition A research method that involves manipulating one variable to determine its effect on a...

Definition The variable that is measured in a study to see the effect of the independent variable...

Definition A study that analyzes data from a population at a single point in time. Example A res...

Definition A statistical measure that describes the extent to which two variables are related. E...

Definition An abstract concept used in research (e.g., intelligence, stress). Example A research...

Definition An outside influence that affects the dependent and independent variables, potentially...

Definition An in-depth study of a single case or a small group. Example A researcher wants to st...

Definition The Arousal Theory of Motivation suggests that individuals are motivated to maintain a...