Psychosocial durations:
- 0.4 seconds- to memorize each of seven nonsense syllables -
according to Hermann Ebbinghous' classic experiment on human memory.
- 0.82 seconds - in adult to read a one-syllable word.
- 0.99 seconds - an adult to read a three-syllable word.
- One second - an adult to read a five-syllable word.
- 2.508 seconds - in adult to verify a negative sentence is
true or false - experiment by Stanford University Professor Herbert H.
Clark.
- 18 seconds - the number of larcenies committed in the
United States increased by one.
- 20 seconds - to say 100 words - shortest time period.
- 22 seconds - to memorize each of a list of 36 nonsense
syllables - Hermann Ebbinghous' experiment.
- 34 seconds - the number of auto thefts committed in the US
to increase by one.
- 43 seconds - number of violent crimes (murder, rape,
robbery, or assault) committed in the US to increase by one.
- 1 minute - the average adult to read 300 words.
- 9 minutes - the number of traffic fatalities due to
collision in the US increased by one.
- 14 minutes - number of forcible rapes in the US increased
by one.
- 2 years -
- A child to develop his color preferences - study
by John Watson.
- The
child's preference for left or right handedness to become
well-established.
- The earliest a child begin speaking sentences and
complying with demands.
- Three years - for a child to develop mentally to the extent
that he can identify emotions expressed in facial expressions, for
example laughter - study by Landis.
- 6 years - children to mature enough to grasp number
concepts - not just recite by rote.
Source: Durations: The Encyclopedia of How Long Things Take (1977) by Stuart A. Sandow.