Blocks contain more than one-word answers. Information is accurate. All of the minimum information is included. Most blocks are complete. Information is usually in more than one-word answers.
Information is relevant to block it is found in.
Only one or two items of the minimum information is missing. The matrix has few or incorrect labels. Most blocks have one-word answers or no answers. Information is sometimes not relevant to block in which it is found. Several items of key information are missing.