Psychometrics (Test 1) A+ Graded.

What is Psychometric Theory? correct answers Measurement of Psychological Constructs & Process of Instrument Development Direct Measurement correct answers Medicine, Blood Tests, Labs etc What are some problems in Psychometric Theory? correct answers 1. We are expected to make accurate diagnosis off of indirect measurements from a population who are poor historians. 2. How do we accurately measure a construct that our discipline isn't even sure exists. To complicate even further, constructs look different across cultures and religions etc. Indirect Measurement correct answers Psychology Because there is not Blood Test for Depression We are Lagging Behind Medicine How is Psychometrics different from Statistics? correct answers Psychometrics looks at test questions (ITEMS) to analyze variability and reliability, we do not look at people Why do we study Psychometrics? correct answers 1. To understand the strengths and weaknesses of tests in order to appropriately select and determine the applicability for different populations. 2. To know how test is constructed. If we do not understand principles upon which test is constructed we have to business giving the test and interpreting the results. What are the two primary purposes of psychometric theory? correct answers 1. Scaling 2. Classification (Based on Score we place someone into categories) Scaling correct answers Giving Psychological Constructs Numbers How do Psychological Theories become Testable? correct answers 1. Operationally Define Construct 2. Develop an Instrument 3. What is "Standardization" correct answers -Standardization makes an attempt at consistency and replication. -If two different clinicians give the same exam to the same client, it should yield the same results. -Unfortunately there are always variables and tests can never truly be standardized. - What are the four advantages of Standardization? correct answers Objectivity: Another Behaviorist should see the same types of behavior.