Clock Drawing Test Scoring Sunderland
The original sunderland method for scoring the cdt 10 10 6 drawing of clock face with circle and numbers is generally intact. A scoring template drawn on a see through sheet of plastic is placed over the patient s drawing.
Longitudinal Changes In Clock Drawing Test Cdt Performance
Cut off score 5 or less indicates impairment.
Clock drawing test scoring sunderland. The scoring system proposed by mendez et al. 1989 a priori criteria for evaluating clock drawings. Rouleau i salmon d.
Variations include providing a blank piece of paper or a paper with a pre drawn often 10 cm diameter circle and asking the patient to draw the face of a clock. References test pre drawn clock time setting scoring criteria and range correlation with other measures goodglass et al. They all involve asking the patient to draw the face of a clock.
10 6 drawing of clock face with number and circle generally intact 10 hands in correct position i e. Another more complicated scoring system is described if required. Quantitative and qualitative analyses of clock drawings in alzheimer s and huntington s.
53 however it did not take the whole clock into account. The scoring template shows the clock circle already divided in to eighths. 7 placement of hands is significantly off course.
Hours hand approaching 3 o clock. 9 slight errors in placement of hands. Some are quite elaborate and involve awarding points for the inclusion of every number correctly ordered numbers two clock hands drawing the correct time and for each of the correct numbers placed in the four quadrants.
There are as many as 15 different ways to score this test. Cahn et al. For each clock 2 points awarded for correct placement of each hand 1 point each and a third point is given for correct relative.
16 similar to sunderland s system mendez s system was also based on the frequency of errors committed in the cdt. A high score on the quantitative scale indicates good performance. 1 was a quantitative scale referred to as the clock drawing interpretation scale cdis.
The clock drawing test cdt is a common neuropsychological measure sensitive to cognitive changes and functional skills e g driving test performance among older adults. There are numerous versions of the clock drawing test. A comparison of scoring protocols on the clock drawing test in relation to ease of use diagnostic group and correlations with mini mental state examination j am geriatr soc 50.
The properly administered test requires abstraction. 1992 and is a revision of the scoring originally presented by sunderland et al. 10 hands are in correct position.
Find it on pubmed. Alternatively a scoring template drawn on paper is placed under the patient s drawing so that the scoring template clock shows through the patient s drawing paper above it. 8 more noticeable errors in placement of hour and minute hands.
In the clock drawing test the patient is provided an examiner drawn circle and asked to put numbers in it and then to draw the clock hands at a given time e g 11 10 2 45. 30 drawing yes 1 00 3 00 9 15 7 00 subject asked to denote four different times. Although it is sensitive it should not be used alone as the sole screen or measure of cognition.
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