Final answer:
In the given paragraph about test anxiety, the topic sentence is 'Test Stress Performance anxiety during a test often results in lower test scores.' The other sentences support this topic sentence by providing examples of how anxiety affects test-takers' answer judgment and test completion.
Step-by-step explanation:
The topic sentence in the paragraph is: Test Stress Performance anxiety during a test often results in lower test scores. The other sentences in the paragraph support this topic sentence by providing specific examples and explanations. The sentence that shows how anxiety affects test-takers' answer judgment is an example of how anxiety impacts test performance. The sentence that mentions some students spending too much time worrying about a few questions demonstrates how anxiety can cause students to not finish the test. Similarly, the sentence that mentions students second-guessing their answers and changing correct ones to incorrect ones showcases the negative impact of anxiety on test-taking.