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Which statement describes intelligence test? a. Intelligence tests are good predictors of career success. b. Intelligence tests in magazines can never be valid. c. Reliable intelligence tests are necessarily valid tests. d. Unreliable intelligence tests can never be valid tests.

Question

Which statement describes intelligence test? a. Intelligence tests are good predictors of career success. b. Intelligence tests in magazines can never be valid. c. Reliable intelligence tests are necessarily valid tests. d. Unreliable intelligence tests can never be valid tests.

Which statement describes intelligence test?
a. Intelligence tests are good predictors of career success.
b. Intelligence tests in magazines can never be valid.
c. Reliable intelligence tests are necessarily valid tests.
d. Unreliable intelligence tests can never be valid tests.

Solution

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AliceElite · Tutor for 8 years

Answer

The correct answer is **d. Unreliable intelligence tests can never be valid tests.**<br /><br />Here's why:<br /><br />* **Validity:** A test is valid if it measures what it claims to measure. An intelligence test should measure intelligence, not something else (like reading comprehension or test-taking skills).<br /><br />* **Reliability:** A test is reliable if it produces consistent results. If you take the same test multiple times, you should get similar scores.<br /><br />* **The Relationship:** Reliability is a prerequisite for validity. A test *cannot* be valid if it's not reliable. If a test gives wildly different results each time you take it (unreliable), it clearly isn't measuring anything consistently, and therefore can't be measuring what it intends to measure (invalid).<br /><br />Let's look at why the other options are incorrect:<br /><br />* **a. Intelligence tests are good predictors of career success.** While intelligence can contribute to career success, it's not the sole factor. Things like work ethic, social skills, and opportunities also play a significant role. Therefore, intelligence tests are not *perfect* predictors.<br /><br />* **b. Intelligence tests in magazines can never be valid.** While magazine tests are often simplified and lack rigorous development and standardization, it's not impossible for them to have some validity. However, they are generally not considered reliable or valid measures of intelligence compared to professionally developed tests.<br /><br />* **c. Reliable intelligence tests are necessarily valid tests.** A test can be reliable (consistent) without being valid. Imagine a test that consistently measures your shoe size. It's reliable, but it's not a valid measure of intelligence.<br />
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