Thomas and Chess 9 DIMENSIONS OF TEMPERAMENT

1 2 3 4 5

I ACTIVITY LEVEL

Level of physical or mental activity

Active……………………………………………………………………………………………………..……………………….Very Inactive/quiet

II REGULARITY

(Rhythmicity) Preferences to predictable routines or spontaneity

Highly Regular/Predictable………………………………………….………………………………………..………..Highly Irregular/Unpredictable

III DISTRACTIBILITY

Degree to which extraneous stimuli affects behavior, readiness to leave one activity or another
Easily Distracted………………………………………………………………………….………….…………….Very Focused Despite Distractions

IV APPROACH-WITHDRAWAL

Ways of Responding to New Situations

Enjoys New Experiences ………………………………………………………………………………….………………..Avoids New Experiences

V ADAPTABILITY

Ease of Adjustment to New Ideas or Initial Situations (Initial Response)

Adapts Very Easily to Change……………………………………………………….…………………………………..……Has Difficulty Adapting

VI PHYSICAL SENSITIVITY (Threshold of Responsiveness)

Sensitivity to changes in the environment including noise, taste, smell, and temperature

Very Aware of Changes ………………………………………………………………………………………………………Not Attuned to Changes

VII INTENSITY OF REACTION

Energy level typical of responses, both positive and negative

Very High Intensity ……………………………………………………………….…………………………………………….…Very Low Intensity

VIII PERSISTENCE OF ATTENTION SPAN

The amount of time devoted to an activity, even when it is not difficult, and the ability to continue working when distracted.

Not Easily Distracted……………………………………………………………..……………………………………………..Very Easily Distracted

IX QUALITY OF MOOD

General optimism or pessimism; tendency to enjoy things uncritically or to be more selective about situations enjoyed.

Generally Happy or Optimistic………………………………………………………………………..Generally Sad or Pessimistic