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* To determine the minutes, locate minute hand. This is usually the larger hand. Read the position of this hand on the scale from 0 to 59. | * To determine the minutes, locate minute hand. This is usually the larger hand. Read the position of this hand on the scale from 0 to 59. | ||
* If there is a fast moving hand, it indicates the seconds analogously to the minute hand. | * If there is a fast moving hand, it indicates the seconds analogously to the minute hand. | ||
==Related scholarly work on this bottleneck== | |||
The paper [[The Decoding Clock Reading Activity]] describes the origin of the activity and provides materials. | |||
==People interested in this bottleneck== | ==People interested in this bottleneck== | ||
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==<span class="mw-headline" id="Available_resources">Available resources</span> == | ==<span class="mw-headline" id="Available_resources">Available resources</span> == | ||
* [[commons:Category:Peter_Riegler|Photographs of unusual clock faces]] | * [[commons:Category:Peter_Riegler|Photographs of unusual clock faces]] | ||
Revision as of 00:46, 12 March 2025
Reading an analog clock is typically hard for young learners in primary school as well as for people suffering from dementia.[1] In Decoding the Disciplines it often serves to exemplify the process of Decoding.[2]
Description of bottleneck
People find it hard to read of the information coded by the hands of a clock and translate this information into a valid description of clock time.
Description of mental tasks needed to overcome the bottleneck
- There are two scales on an analog clock. A coarse one counting from 1 to 12 in steps of 30° and a finer one counting from 0 to 59 in steps of 6°.
- If there is a fast moving hand, ignore this one for the time being, although it typically catches one's attention first.
- To determine the hour, locate hour hand. This is usually the smallest hand. Read the position of this hand on the scale from 1 to 12. If the hand is between two such position take the smaller value.
- To determine the minutes, locate minute hand. This is usually the larger hand. Read the position of this hand on the scale from 0 to 59.
- If there is a fast moving hand, it indicates the seconds analogously to the minute hand.
Related scholarly work on this bottleneck
The paper The Decoding Clock Reading Activity describes the origin of the activity and provides materials.
People interested in this bottleneck
Christian Kautz, Peter Riegler
Available resources
References
- ↑ Sunderland, T., Hill, J. L., Mellow, A. M., Lawlor, B. A., Gundersheimer, J., Newhouse, P. A., & Grafman, J. H. (1989). Clock drawing in Alzheimer's disease: a novel measure of dementia severity. Journal of the American Geriatrics society, 37(8), 725-729.
- ↑ Riegler, P. (2025): The Decoding Clock Reading Activity. Didaktiknachrichten, Issue January 2025, in press
