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GRE Psychology: Measurement And Methodology

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Takes place in controlled setting must be able to control for: independent variable - dependent variable - and confounding variable






2. Measured by the same individual taking the same test more than once






3. Used when an experiment involves more than one independent variable - can separate the effects of different levels of different variables - can isolate main effects - can identify interaction effects - ex: studying effect of brain lesion on problem s






4. Analyses how a large group responded to each item on the measure; weeds out problematic questions with low discriminatory value; increases internal consistency






5. For ranks; determining the line that describes a linear relationship






6. Birth order vs. intelligence; the older - the more intelligent; the more children - the less intelligent; the greater spacing - the more intelligent






7. Use correlation coefficients in order to predict one variable y from another variable x - let you define a line on graph that describes the relationship between x and y - when the least-square line or regression line is fit to the data - basically: u






8. Consist of vertical bars in which the sides of the vertical bars touch - useful for discrete variables that have clear boundaries - interval variables in which there is some order






9. Capable of showing order and pacing because equal spaces lie between the values - do not include real zero - ex: temperature






10. When people agree with opposing statements; giving tacit agreement






11. Interest in the effect of independent variable on the dependent variable - often manipulated by applying it in experimental or treatment condition and withholding it from control condition






12. Measure the extent to which test measures what it intends to; concurrent - construct - content - face






13. Used when equivalent one cannot be isolated






14. Organize data by showing it in a meaningful way; do not allow conclusions to be drawn beyond the sample; percentiles - frequency distributions - graphs - measures of central tendency - variability






15. When relationship inferred when there is none - ex: many people think there is a relationship between physical and personality characteristics - when evidence show there is none






16. Developed concept of IQ and first intelligence test (Binet Scale)






17. Tests the same person at multiple time points and looks at changes within that person






18. Normal curve - negatively skewed distribution - positively sknewed distribution - bimodal distribution - platykuric distribution






19. Mean of Americans is standardized to 100 - with SD 15 or 16 depending on test; correlates most with IQ of biological parents and socioeconomic status






20. Mathematically combines and summarizes overall effects or findings for a topic; best known for consolidating effectiveness of psychotherapy - can calculate overall effect size or conclusion drawn from a collection of studies; needed when conflicting






21. Attempts to eliminate/minimize these - variables in the environment that might also effect the dependent variable and blue the effect of independent variable on the dependent variable






22. Revised Binet'S version - used with children - organized by age level - Best known predictor of future academic achievement






23. The age level of a person'S functioning according to the IQ test






24. Tests whether the means on one outcome or dependent variable are significantly different across groups - height or level of anxiety from anxiety scale






25. Similar to T-test - but can measure more than 2 groups






26. Aims to match demographic characteristics to population (i.e. 50% female - etc)






27. A level of <0.05or <0.01 means that chance that seemingly significant errors are due to random variation rather than to true systematic variance is less than 5% or 1%






28. Frequency polygon (continuous variables) - histogram/ bar graph (discrete)






29. There is a general factor in intelligence 'g'






30. Tell you the average extent to which scores were different from the mean - if average standard deviation is large - then scores were highly dispersed






31. (Mental age/chronological age)/100 - Highest age = 16

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32. Tests whether at least 2 groups co-vary - can adjust for preexisting differences between groups






33. Subjects alter behaviour because they are being observed






34. Originally used with free association techniques; word called out - subject says next word in mind






35. Does not control - but examines how independent variable affects it






36. Overall range or spread - most basic measure of variability - subtracts the lowest value from the highest value in a data set






37. Mean is 0 - and SD=1 - This with Z-score allow you to compare one person'S score on two different distributions






38. The process of representing or analyzing numerical data






39. Describe what is seen in each of 10 inkblots; scoring is complex; validity questionable






40. Combines longitudinal and cross-sectional approach






41. Like a histogram except that the vertical bars do not touch - various columns are separated by space






42. Similar to word association - finish incomplete sentences






43. Tests the effects of two independent variables or treatment conditions at once






44. Knowing how to do something






45. Mean (standard error of mean) - median mode; normal and platykuric: equal; positively skewed: mode - med - mean; negatively skewed: mean - med - mode; bimodal: equal mean and med - 2 modes






46. Has plotted points connected by lines - used to plot variables that are continuous (categories without clear boundaries)






47. Give descriptive names - No order or relationship among the variables other than to separate them into groups - ex: male-female






48. Whether scores on a new measure correlate with other measures known to test the same construct; cross validation process






49. If it is significant - same finding can be generalized to the population - use test of significant to reject null hypothesis






50. Measures the extent to which items in a measure 'hang together' and test the same thing