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Matching law. In operant conditioning, the matching law is a quantitative relationship that holds between the relative rates of response and the relative rates of reinforcement in concurrent schedules of reinforcement. For example, if two response alternatives A and B are offered to an organism, the ratio of response rates to A and B equals the ...
The multiple baseline design was first reported in 1960 as used in basic operant research. It was applied in the late 1960s to human experiments in response to practical and ethical issues that arose in withdrawing apparently successful treatments from human subjects. In it two or more (often three) behaviors, people or settings are plotted in ...
External validity is the validity of applying the conclusions of a scientific study outside the context of that study. [1] In other words, it is the extent to which the results of a study can generalize or transport to other situations, people, stimuli, and times. [2][3] Generalizability refers to the applicability of a predefined sample to a ...
Winthrop Niles Kellogg was born in 1898 in Mount Vernon, New York. He began undergraduate study in 1916 at Cornell University for one year before joining the Great War (World War I) in Europe. For two years he served as part of the American Expeditionary Forces in the US Army Air Service, earning him the prestigious Croix de Guerre.
Concurrent validity is a type of evidence that can be gathered to defend the use of a test for predicting other outcomes. It is a parameter used in sociology, psychology, and other psychometric or behavioral sciences. Concurrent validity is demonstrated when a test correlates well with a measure that has previously been validated.
Cognitive evaluation theory (CET) [1] is a theory in psychology that is designed to explain the effects of external consequences on internal motivation.Specifically, CET is a sub-theory of self-determination theory that focuses on competence and autonomy while examining how intrinsic motivation is affected by external forces in a process known as motivational "crowding out."
Undergraduate research is defined broadly to include scientific inquiry, creative activity, and scholarship. An undergraduate research project might result in a musical composition, a work of art, an agricultural field experiment, or an analysis of historical documents. The key is that the project produces some original work. [9]
Causal reasoning. Causal reasoning is the process of identifying causality: the relationship between a cause and its effect. The study of causality extends from ancient philosophy to contemporary neuropsychology; assumptions about the nature of causality may be shown to be functions of a previous event preceding a later one.