Scoring

Ease of Use

The website's homepage flood visitors with choices, but the main navigation bar is clear and has appropriately labelled topics/subtopics. The site's search bar is specific to this section of the National Institutes of Health and even offers a few options to filter by content type.

Visual Design

Not much emphasis on visual appeal, although efforts have clearly been made to engage the reader and direct them to the site's most important functions. Each page is mostly text-based, but there are also charts and other graphics embedded within.

Quality

Comprehensive, detailed, and relevant information about all aspects of substance abuse from a highly respected governmental authority. Along with brief overviews of each drug/substance, there are also statistics, videos, publications, news, resources, and clinical trial information. Visitors will have no problem becoming informed about drug abuse.

Credibility

The National Institute on Drug Abuse is a trustworthy governmental entity housed within the U.S. National Institutes of Health. The site enacts regular content reviews to ensure currency, and only uses highly authoritative research to back it's materials.