A psychologist wants to obtain a measure of children's attention spans under quiet conditions. She arranges for a group of children to meet individually with a research assistant who reads each child a list of numbers and then asks the child to repeat the numbers in reverse order. A week later the children repeat this task. The psychologist finds that the scores that each child received at week one and at week two tend to be very similar. She concludes that this test has high

Question

Quizplus · Accepted Answer

The test-retest reliability refers to the consistency of scores across two administrations of the same test to the same group of individuals at different points in time. In this scenario, the psychologist found that the scores of each child were similar when they completed the test at week one and week two, indicating high test-retest reliability. It is not split-half reliability because the test was not divided into two halves, and interrater reliability is not relevant since the test was administered by the same research assistant. Validity is not mentioned, and there is not enough information to determine if the test has high validity.

A Psychologist Wants to Obtain a Measure of Children's Attention