Final answer:
The Todd Assessment of Grammar Usage likely demonstrates content validity, as it measures the ability to use grammar and construct sentences—a representative sample of English language proficiency.
Step-by-step explanation:
On the Todd Assessment of Grammar Usage, the type of validity evidence you are referring to is content validity. Content validity refers to the extent to which a test measures a representative sample of the subject matter, skill, or behavior it is supposed to measure.
In this case, since the Todd Assessment is related to grammar usage and sentence construction, evidence that the test requires you to correctly construct grammatically correct sentences would contribute to its content validity. This includes adhering to editing focuses such as mixed sentence constructions or verb tense consistency, and demonstrating critical language awareness by meeting or challenging conventional expectations in a rhetorically effective way.