electromagnetic spectrum

the range of wavelengths of electromagnetic radiation from gamma rays (very short waves) to radio waves (very long waves). The human eye is sensitive to only a narrow range of wavelengths of approximately 400 to 700 nm. See spectrum.

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Psychology term of the day

November 24th 2024

modeling theory

the idea that changes in behavior, cognition, or emotional state result from observing someone else’s behavior or the consequences of that behavior. See observational learning; social learning theory.