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1. appraisal Answer: professionally administered assessment tools and tests used to evaluate,
measure, and understand clients
2. behavioral observation Answer: type of assessment used to document the behavior of
clients or research subjects
3. Bell Curve Answer: illustration of data distrubution that resembles the shape of a bell
4. Coefficient of determination Answer: denoted by R^2, the proportion of the variance
in the dependent variable that's predictbale from the independent variable and the square of the
coeflcient of correlation
5. Correlation Coefficient Answer: Statistic that describes the relationship between two
variables and their impact on one another. In positive correlation, both variables react in the same
direction. In negative correlation, variables react in opposite direction
6. Dichotomous Items Answer: opposing choices on a test, such as yes/no or true/false
options
7. Difficulty Index Answer: measure of the proportion of examinees who answer test items
correctly
8. external validity Answer: described how well results from a study can be generalized to the
larger population
9. Forced Choice Items Answer: the use of two or more specific response options on a
survey
10. Free Choice test Answer: aka Liberal Choice; questions that allow for a subjective/ope
ended response
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11. Halo Effect Answer: an overgeneralized positive view of a person from limited data
12. Horizontal Test Answer: a test covering material across various subjects
13. ipsative format Answer: means of testing that measures how individuals prefer to
respond to problems, people, and procedures and doesn't compare results to others
14. Likert Scale Answer: rating measuring attitudes to a degree of like or dislike
15. mean Answer: provides the average for all scores; calculated by adding all given test scores
and dividing by the number of tests
16. median Answer: refers to the middle or center number in an ordered list of scores or
data; also referred to as the midpoint.
In an even data set, the two middle numbers are typically averaged to determine the median
17. Measure Answer: score assigned to traits, behaviors, or actions
18. Mode Answer: the most common or frequent score that occurred in a group of tests. If a
number/score occur twice, a test doesn't have one
19. Normative format Answer: means of testing to compare individuals to others
20. Objective Test Items Answer: Standardized questions with clear correct or incorrect
answers; not open to any interpretation
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21. Obtrusive measurement Answer: assessment tools (such as observation) conducted
without knowledge of the individual
22. Percentile Answer: determines how test scores rank on a scale of 100. Determines the
number of individuals who are at or below a given rank. For example, a test taker who scores in the
65th percentile performed better than 65 percent of the other test takers
23. Projective Test Answer: responses to ambiguous images that are intended to
uncover unconscious desires, thoughts, or beliefs
24. Psychological Assessment Answer: an informal process of testing, interviews or
observations used to deter- mine the psychological needs of an individual. Assessments can
expose the need for more formal testing
25. Psychological Test Answer: refers to any number of specific test or measurements
conducted to evaluate, diag- nose, or develop treatment plans. It can include personality
assessments, projective or subjective tests, intelligence tests, or diagnostic batteries.
26. Psychometrics Answer: the process or study of psychological measurement
27. Q-Sort Answer: self-assessment procedure requiring subjects to sort items relative to one
another along a dimension, such as agree/disagree
28. range Answer: subtraction of the lower score from the highest score
29. rapport Answer: development of trust, understanding, respect, and liking between two
people; essential for an ettective therapeutic relationship
30. Rating Scale Answer: process of measuring degrees of experience and attitudes
through questions
31. Regression to the Mean Answer: statistical tendency of a data series to gravitate