Final answer:
b. Aptitude tests measure a test taker's capacity to perform future tasks or roles. These tests assess natural abilities and predict potential for success in specific areas or occupations.
Step-by-step explanation:
The type of test that measures the capacity of a test taker to perform some task or role in the future is called an b. Aptitude test.
Aptitude tests assess a person's innate or natural abilities, such as problem-solving, critical thinking, and logical reasoning skills. These tests are designed to predict an individual's potential to succeed in a specific area or occupation, regardless of their prior knowledge or achievements.