Final answer:
Consumer Reports does not accept advertising, distinguishing it from other magazines like Good Housekeeping, Forbes, and Parents, and enabling it to provide unbiased product reviews.
Step-by-step explanation:
The magazine among the provided options that does not accept advertising to ensure unbiased assessments of products and services is Consumer Reports. While magazines like Good Housekeeping, Forbes, and Parents do feature advertising, Consumer Reports is known for its independence and consumer-focused reviews. It provides thorough evaluations and recommendations of various products and services without the influence of advertisers.