Research / Foundations

Question 1

What is split-half reliability

Answer 1

Test developer correlates responses to the first 50 items on a test to the last 50 items

Question 2

What is an ABAB design for evaluating the effects of phonological treatment procedure

Answer 2

The investigator established baselines of target phoneme productions, then offered treatment to all who were base rated, withdrew treatment for a period of time, and finally offered the treatment again

Question 3

What is a disadvantage of cross-sectional research designs

Answer 3

Observations are made of differences between subjects of different ages to generalize about developmental changes that would occur within these subjects as they mature
This generalization may not always be accurate

Question 4

What is construct validity

Answer 4

The degree to which measures are consistent with theoretical constructs or concepts

Question 5

Define predictive validity

Answer 5

The accuracy with which a measure predicts future performance on a related tasks

Question 6

Language disorders are often identified through multidisciplinary assessment. A speech- language pathologist may perform a comprehensive language evaluation that includes interviews, observations, questionnaires, surveys, and formal tests. There are several types of tests that a clinician may use during an assessment: norm-referenced tests and criterion-referenced tests. Which of the following statements is true about criterion-referenced tests?

Answer 6

criterion referenced tests allow a comparison of indviduals performance to the performance of a larger group

Question 7

External validity of a study may be threatened by

Answer 7

Hawthorn effect

Question 8

What is the hawthorn effect

Answer 8

Alteration of behavior by subjects due to awareness of being observed