pain sense

a sense, involving free nerve endings on the body surface and in some internal organs, that yields a specific effect identified as pain, especially when tissue injury occurs.

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Psychology term of the day

February 11th 2025

preexperimental design

a research design or study with no control group and no random assignment of participants to experimental conditions. Examples include the one-shot case study and the one-group pretest–posttest design. Although such a design is of minimal value in establishing causality, it may be used when it is not possible to identify an appropriate control and circumstances prohibit randomization.