What is standard score on Woodcock Johnson?
What is standard score on Woodcock Johnson?
A. The standard score (SS) on the WJ-III describes a client’s performance relative to the average performance of the com- parison group. The scale is the same as the IQ test. In other words, the average standard score is 100 with a standard deviation of 15.
What does a standard score of 76 mean?
76-84. High average. Normal limits; 68% of the population.
What does a standard score of 89 mean?
Typically the normal limits of functioning encompass three classification categories: low average (standard scores of 80–89), average (standard scores of 90–110), and high average (111–120).
What is the average range for standard scores?
Most tests have average standard scores of 100. Increments of 15 are used to separate sections of the population into average, below average, and above average sections. For example, if your child gets a standard score between 85 and 115, these scores are considered within the average range.
What is the highest score on the Woodcock-Johnson?
Degree of proficiency scores are metrics which show how a child performs on a functional level versus tasks that typical children in their same age group or grade would perform at a 90% level of efficiency. Scores can range from 100/90 to 0/90.
What does 68% band mean?
SS (68% BAND): Standard score: A standard score helps classify relative standings from very low to very high. The numbers used are scores and ranges that 2 out of 3 times (or 68% of the time) the stu- dent is expected to make on that task.
Is a standard score of 85 average?
For example, a standard score of 85 (16th percentile rank) on a test may be “average,” “low average,” or even “below average,” depending on the test publisher. A child who earns scores in the “average range” may have a disability and require specialized instruction.
What percentile is a standard score of 99?
99th percentile
It is desired that a score of 99 correspond to the 99th percentile; The 99th percentile in a normal distribution is 2.3263 standard deviations above the mean; 99 is 49 more than 50—thus 49 points above the mean; 49/2.3263 = 21.06.
What does a standard score of 75 mean?
This means that your child performed as well as or better than 50 percent of children who are his age or in his grade. If your child earns a percentile rank of 75 on a standardized test, your child scored as well or better than 75 percent of his peers.
What is the percentile rank of a score of 92?
73rd percentile
So, rounded to the nearest whole percentile, a score of 92 is in the 73rd percentile.
What is the range for average performance for individual subtest scores?
between 86 and 114
Scores within 1 SD of the mean (between 86 and 114) are considered average.
Does the Woodcock-Johnson measure IQ?
The Woodcock-Johnson Tests of Cognitive Abilities is an intelligence test series (often referred to as IQ test). The comprehensive series of exams is designed to measure general intellectual ability, as well as academic achievement, scholastic aptitude, cognitive abilities and oral language.