Glossary G

- GAF (Global Assessment of Functioning) : GAF (Global Assessment of Functioning) refers to the GAF Scale that ranges from 1 – 100 and is used by the clinician to estimate the client’s overall functioning in everyday life, and is recorded on Axis V of the DSM-IV-TR system .

- GAF Global Assessment of Functioning : GAF is the abbreviations of of Global Assessment of Functioning which refers to the score provided on Axis V that serves as an index of the person's overall level of functioning.

Gain refers to the amount of correction that a control system is capable of achieving.

Gain-loss effect refers to the finding that we like people the most if we feel we have gained in their estimation of us (i.e., if they initially disliked us but now like us) and that we dislike people the most if we feel we have lost their favor (i.e., if they initially liked us but now dislike us)

Gain-Loss effect refers to the finding that we (humans) like people the most if we feel we have gained in their estimation of us, that is, if they initially disliked us but now like us and that we dislike people the most if we feel we have lost their favor, that is, if they initially liked us but now dislike us

Gainsharing is defined as a group incentive system in which employees are paid a bonus based on improvements in group productivity.
Galatea effect it is when high self -expectations result in higher levels of performance.

- Galen (A.D. 129–201) : Galen refers to a Roman anatomist and physician who identified many of the major brain structures and described behavioral changes as a function of brain trauma. He associated each of Hippocrates ' four (4) humors with a temperament , thus creating a rudimentary theory of personality . Galen is the physician of the Emperor Marcus Aurelius in Rome and lived from 129 to 216. he is one of the most influential of the Greek physicians and he published a wide body of work that shaped Western biomedicine.

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