Some Child-Welfare Workers Observe Children Playing with Anatomically Correct Dolls

question 1

Essay

Some child-welfare workers observe children playing with anatomically correct dolls to help them assess whether those children have been sexually abused. If a child simulates sexual acts with the dolls, it is viewed as evidence that the child may be a victim of sexual abuse. What are some sources of systematic and random measurement error in this approach to assessment? How could the reliability and validity of this assessment procedure be gauged?​

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Definitions:

Supermarkets

Merchandise outlets that carry a wide and complex line of groceries, meat, dairy, produce, and baked goods plus a limited array of nonfood products.

Convenience Stores

Small retail outlets that offer a limited range of everyday items and are usually open for extended hours.

Online Retailing

The act of selling products and services online, enabling consumers to make purchases regardless of their location or the time of day.

Automated Vending

The use of self-service machines that dispense products to consumers, operating without the need for human vendors.