Purpose: Measure attention
Age: 9–60 years
Time: 10 minutes
The d2 Test of Attention (D2-R) consists of 14 screens of 60 symbols (in 6 rows of 10). Each symbol consists of a ‘d’ or ‘p’ marked with one, two, three or four small dashes. The test taker must scan the lines and cross out all occurrences of the letter ‘d’ with two dashes while ignoring all other symbols.
The d2-R has been praised for its value in measuring focus of attention. The d2-R measures a variety of facets, including:
The updated d2-R includes the following enhancements: