Question

All of the following are characteristic of good test data except :-

• A. Should be comprehensive
• B. Users do not participate at this preliminary stage
• C. Every statement should be executed
• D. Expected output from the module's execution should be determined manually

Answer 1

Answer: (D)

All of the following are characteristic of good test data except Expected output from the module's execution should be determined manually

Objectivity is an important characteristic of a good test. It affects both validity and reliability of test scores. Objectivity of a measuring instrument moans the degree to which different persons scoring the answer receipt arrives of at the same result. C.V.

RELIABILITY is a measure of the test's consistency. A useful test is consistent over time. As an analogy, think of a bathroom scale. ... Good tests have reliability coefficients which range from a low of .65 to above .90 (the theoretical maximum is 1.00). VALIDITY is a measure of a test's usefulness.

The test should be free from subjective—judgement regarding the ability, skill, knowledge, trait or potentiality to be measured and evaluated. 2. Reliability: This refers to the extent to which they obtained results are consistent or reliable.

Write the positive test cases first. If a negative test case is hard to automate, it may not be worth automating. If a negative test case is hard to automate, and the test case is important, there may be a way to change the product that makes testing easier. Some negative test cases are more important than others.