Psychology Glossary
Lexicon of Psychology - Terms, Treatments, Biographies,

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Oral rehydration therapy

Oral rehydration therapy refers to the treatment involving administration of a salt and sugar solution to a child who is dehydrated from Diarrhea.

Oral stage

Oral stage refers to the first of Freud's psychosexual stages, during which the mouth is the major erogenous zone - the major source of physical pleasure.

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Oralist method

Oralist method is an approach to language education for the deaf that focuses on the development of the ability to produce speech and read lips.

Orange

Deutsch: Orange / Español: Naranja / Português: Laranja / Français: Orange / Italiano: Arancione

In psychology, orange is often associated with specific emotional and behavioural responses due to its presence in colour theory and its influence on human perception and mood. This vibrant colour is linked to energy, enthusiasm, and creativity, playing a role in both psychological experiments and practical applications such as marketing, design, and therapy.

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Orbitofrontal cortex

Orbitofrontal cortex (OFC) refers to ab area in the frontal lobe, near the eyes, that receives signals originating in the olfactory receptors. Orbitofrontal cortex (OFC) is also known as the Secondary olfactory cortex.

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Order

Deutsch: Ordnung / Español: Orden / Português: Ordem / Français: Ordre / Italiano: Ordine /

Order refers to fixed or definite plan; system; law of arrangement." In terms of systems, order is a state space where a system exhibits clarity, certainty, or stability.

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Order effect

In the psychology context, the order effect refers to how the sequence in which stimuli, information, or experiences are presented can influence individuals' perceptions, memory, judgments, and decision-making. This phenomenon is particularly relevant in research design, surveys, psychological testing, and everyday decision-making processes. Order effects can significantly impact the outcomes of experiments and the reliability of psychological assessments, highlighting the importance of considering sequence as a potential variable or confound.

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Order effects

Order effects. Please see Testing effects. Whenever individuals participate in a series of treatment conditions and experience a series of measurements, their behavior or performance at any point in the series may be influenced by experience that occurred earlier in the sequence. Order effects include carryover effects and progressive error.

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