Glossary E

Efferent neurons refer to motor neurons that convey impulses away from the brain; conduct impulses from the CNS to the effector organ, e.g., motor neuron
Effete means worn out; no longer fertile or productive. It also means weak, ineffectual; marked by decadence or self -indulgence and effeminate.

Efficacy is defined as the tendency of a drug to activate a particular kind of receptor; the most intense, or peak, level of a drug effect
Efficacy expectations is a term that refer to children's beliefs that they can adequately perform a modeled behavior.

Efficacy studies refer to assessments of therapeutic effectiveness based on well-controlled investigation of well-defined clinical problems. Efficacy studies is also defined as studies that place a premium on internal validity by controlling the types of clients in the study, by standardizing the treatments, and by randomly assigning patients to treatment or notreatment groups . A treatment is considered efficacious to the extent that the average person receiving the treatment in clinical trials is demonstrated to be significantly less dysfunctional than the average person not receiving any treatment, example, those on a waiting list for treatment.

Efficient cause is a term which according to Aristotle is the force that transforms a thing.

Effort justification is creating a conflict between attitudes and behavior when people make great efforts to achieve a relatively modest goal . Effort justification is the finding that when people suffer or work hard or make sacrifices, they will try to convince themselves that it is worthwhile
Effort justification paradigm refers to a research methodology used to test Dissonance theory , which arouses dissonance by getting people to invest time or energy to achieve a goal that may not be worthwhile

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