Linguistic bias can be bias towards speakers of other languages or dialects, or towards bilingual speakers and results in inaccurate assessment of children from linguistic backgrounds other than Standard American English.
A standard deviation (SD) is a quantity derived from the distribution of scores from a normative sample and can be defined as the average distance (or deviation) from the mean.
The percentile rank of a score is percentage of total scores from the normative sample that were equal or lesser than the value of the score and can be plotted on the bell curve of a normal distribution.
A variety of assessment materials and procedures, including both static and dynamic assessments and language samples, are frequently used in speech and language as well as psychoeducational evaluations.
The terms normative sample and standardization sample refer to the same concept and are often used interchangeably. A norm referenced test uses a normative or standardization sample from the general population to determine what is “typical” or “normal” in that population.
Here is an explanation of what the language background and use section should include.
Validity refers to the degree to which an item is measuring what it’s actually supposed to be measuring.
The parent/primary caregiver interview is a necessary part of any quality evaluation and can be used to gain information used in several parts of the evaluation.
Even though standardized test scores should not be used to determine or diagnose disability, quantification is required to demonstrate that a child should receive services. It is the evaluator’s job to use his or her clinical judgement to determine percentage of delay if it exists.
Fast mapping is a type of novel word-learning, dynamic assessment used in evaluating preschool and school-aged children.
