The extent to which a test accurately measures what it is supposed to measure.
What is validity?
An assessment that is always administered and scored in the same way, no matter who administers and scores it.
What is a standardized test?
Early Intervention services provided by federal legislation for children with disabilities ages birth - 3 years old.
What is Part C?
A score that indicates the number of items correctly answered on a given test.
What is a raw score?
When language skills follow along a typically developing path, but at a slower pace.
What is a language delay?
The degree to which a test is consistent and stable in measuring what it is intended to measure.
What is reliability?
Assessments that compare the performance of an individual with other individuals of a similar age and/or grade.
What are norm-referenced tests?
Any entity that is run by individuals or a company that is "for profit" and is not state controlled.
What is the private sector?
A score that has been transformed to fit a normal curve, with a mean and standard deviation that remain the same across ages. Typically has a mean of 100 and a standard deviation of 15.
What is a standard score?
Assessments that have data which support the conclusions made from the test.
What are formal assessments?
The closeness of the agreement between the results of successive measurements of the same test.
What is test-retest reliability?
An assessment, by an active teaching process, of a child's perception, learning, thinking, and problem solving (or Zone of Proximal Development).
What is Dynamic Assessment?
Similar to an Individual Education Plan (IEP) for school-aged children and adolescents, but focuses on the needs of the child within the context of the family.
What is an Individualized Family Service Plan?
A score indicating the percentage of people or scores that occur at or below a given score.
What is a percentile rank?
A language impairment where there is a deviation from the average level of ability typically attained by a similar group of people.
What is a language disorder?
This measures the ability of a test to detect a condition when it is present and to detect the absence of a condition when it is absent.
What is diagnostic accuracy?
Assessments that are standardized or unstandardized and can be used to determine whether the child can attain a certain level of performance.
What are criterion-referenced tests?
Provides criteria and definitions to classify and determine diagnoses using a common language.
What is the Diagnostic and Statistical Manual of Mental Disorders (DSM-5)?
A very general score that is used to compare the performance of children at the same age with one another.
What is an age equivalent score?
Low stakes, practical and intended to stimulate learning, and feedback is provided in order to formulate change.
What are formative assessments?
The three main types of validity.
What are content, construct, and criterion-related validity?
A contextualized assessment that allows an examination of a client's overall communicative abilities in their natural environment.
What is a functional assessment?
A documented disability or delay established through evaluation.
What are the eligibility requirements for Part C?
Represents the number of standard deviation units that a client's score falls from the mean.
What is a Z-score?
Assessments that are not data driven, but rather content and performance driven.
What are informal assessments?