Reliability and Validity

Criterion validity.

10. An experimental psychologist has created a new test to measure the trait of extraversion and gives the test to 100 participants. These participants also take another personality test that measures extraversion which has been used successfully for 20 years. If the individuals score the same for levels of extraversion on both tests it can be said that the new assessment has

Construct validity.

12. Cosmo is taking a test to determine his level of creativity and is surprised by the questions because they are mostly about sports. Just looking at the test quickly Cosmo is skeptical that it will actually measure creativity. Cosmo is questioning the Face validity of the test. If in fact this test is an accurate measurement of the abstract idea of creativity it would be said to have

Test-Retest reliability; Construct validity

4. Joe took a test to become an aerobics instructor at the local gym. He did poorly on the exam and was not accepted as an instructor. Six months later he took the same test again. This time he did very well and became a successful aerobics instructor. Assuming that Joe did not practice or train for the second test he might question the of the exam. If this test does not actually measure the hypothetical ideas involved in aerobics instruction it could be said to lack

Split Half reliability.

5. Lucky took a test to become a police officer in Washington, D.C. The test assessed the skills necessary to be a competent police officer in a city with a very high crime rate (as specified by the American Police Association). When he was shown the results, he noticed that he did very well on the second half of the exam but extremely poor on the first half. If this were true for many applicants, this test might lack

Face validity

6. As George previews his midterm physics exam, it does not initially seem to reflect what has occurred in class. As he scans the exam for questions that seem familiar to those, which he practiced, none seem to stand out. What type of validity is this exam seemingly missing?

Alternate form

Jaclyn has been feeling down for a few weeks, her Psychologist gave her the Beck Depression Inventory and the Schneider Grief Depression Inventory. Both assessments indicated that Jaclyn was in the normal range and was not suffering from a depressive episode. What type of reliability was Jaclyn's therapist utilizing?

inter-rater reliability

Pooja has just taken the AP Psychology exam; two psychology instructors grade her exam, each gives her the same grade for the Free-Response portion of her exam. This is an example of what type of reliability?