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Principles of Test & Measurement
Test # 2 - Bryce McLeod - VCU - Fall 2011
63
Psychology
Undergraduate 4
09/22/2011

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Cards

Term
Validity (basic definition)
Definition
Does the test measure what it's supposed to measure?
Term
Validity (little harder definition but basically the same)
Definition
degree to which all accumulated evidence supports the intended interpretation of test scores for the intended purpose
Term
What are the three types of validity?
Definition
content & criterion related validity as well as construct validity
Term
T/F: Reliability does not imply validity but a test must be reliable to be valid.
Definition
VERY true.
Term
Be familiar with Griggs vs. Duke Power case
Definition
Slides 7-8 on 9/22/11 powerpoint
Term
To make a test valid you need what?
Definition
proof
Term
In 1985, AERA and NCME came up with another way of understanding validity... what did they introduce?
Definition
The three types of validity
Term
Content validity is also called...?
Definition
logical validity because it's based on logic not statistical analysis
Term
Face validity
Definition
The appearance that a measure has validity, not that statistically sound
Term
Content validity
Definition
Is the content of the test valid for the kind of test it is?
Term
Three-step process of content validity
Definition
Step 1: What is the domain?
Step 2: What content matches the domain I want?
Step 3: What specific questions could I use to test this?
Term
Content related validity is influenced by what two things?
Definition
Construct underrepresentation (you don't cover all the bases, ex. a global math test with no geometry) and construct-irrelevant variance (items are irrelevant to your domain)
Term
Best word to remember with content validity....
Definition
logical
Term
Before things get too confusing, get to know Slide 19 on 9/22/11 slides.
Definition
It's a diagram that breaks down validity and what types goes with what, etc.
Term
What is criterion related validity?
Definition
The relationship between the test and a criterion the test should be related to
Term
Criterion related validity is based on a ....?
Definition
golden standard (the test is compared to a golden standard)
Term
The two babies of criterion related validity...
Definition
concurrent and predicitve validity
Term
Concurrent validity asks...
Definition
does the instrument relate to current criterion?
Term
Predictive validity asks...
Definition
does the instrument relate to future criterion?
Term
Concurrent is to job performance as predictive validity is to an SAT score.
Definition
Concurrent is used to compare job performance of new applicants to those already skilled in the field. Predictivve validity takes a number and makes a predicition (SAT could/can predict GPA in college)
Term
Validity coefficient
Definition
correlation b/w test and criterion established
Term
Big thing to remember about validity coefficient...
Definition
NO SET RULES. Aspirin could save one in five people from a heart attack. That's big enough of a reason to recommend aspirin.
Term
Study slides 28-35, 8 questions to ask about validity coefficient
Definition
9/22/11 Slides on Bb
Term
Construct
Definition
"What is love, curiosity, mental health?" can't observe constructs, not objective
Term
Convergent validity
Definition
comparing test scores to other well-established tests that measure the same/similar construct
Term
Discriminant evidence
Definition
correlate test scores with other, well established tests that assess different constructs
Term
There is a well established, highly developed set of guidelines that have to be met to write good test items, true or false?
Definition
False, there is no set guidelines for writing test questions. Type of items you can write depend on what you want to test.
Term
I want to see if my students either know the material or not, what type of questions should I use?
Definition
True/False, Multiple Choice
Term
I simply want to know about people's attitudes, opinions, or get inside their minds about stress, memory, life, etc. What type of test questions should I use?
Definition
Likert scale
Term
What are some guidelines for writing test questions?
Definition
Clearly define what you're measuring, generate an item pool, avoid really long items, appropriate reading level for test taker, avoid double barreled questions (2 ideas/questions in one question), make positvely and negatively worded items
Term
Acquiescnence response set
Definition
tendency to agree with most items (don't make all test questions positive because people will STOP READING so throw in negative questions to KEEP people PAYING attention)
Term
Dichotomous formats
Definition
"yes or no," "true/false," simple, easy to make/administer/score BUT less reliable/precise, have to have a lot of items to be reliable
Term
Polytomous formats
Definition
aka multiple choice format, easy scoring and requires better understanding however, harder to create
Term
Likert format
Definition
Some concepts can't just be "right" or "wrong." Scales from strongly disagree - strongly agree, etc. Really familiar/easy to use but scoring is difficult except when you get to negatively word items (reverse scores)
Term
Category format
Definition
"On a scale of 1-10,50,100,etc..." creation is easy if you have well defined end points. Scoring is easy but if the reader may not be interested in the questions.
Term
Checklist format
Definition
Provides categories of a trait/concept for participant to choose from; comprehensive but requires a yes/no endorsement
Term
Q-sorts format
Definition
Avoids pitfall of checklists; place statements in either "1" pile or "9" pile
Term
Which answer format is a 50/50 chance of getting the answer right or wrong? Also may encourage memorization.
Definition
Dichotomous format because you have yes or no or true or false, etc. May not need to understand underlying concepts.
Term
Which answer format involves distractors?
Definition
Polytomous because distractors are answers within the choices that aren't correct - best way to test understanding because if you know the material you should be able to weed out the correct answer.
Term
Which two item formats are used the most in school settings?
Definition
Dichotomous and polytomous
Term
When should you guess on a multiple choice test?
Definition
Only if you can eliminate distractors. If you can't, don't guess at all on a test that takes off for wrong answers like the SAT's.
Term
What kind of test format would be good in personality testing?
Definition
Checklist format because it can supply a list of adjective that a test taker could "check" what applies to them and their personality.
Term
Unconditional love was coined by _____ _____.
Definition
Carl Rogers
Term
Carl Rogers introduced that people who have an idea of who they are but it's not the ideal person you'd like to be then you will experience a lot of anxiety.
Definition
Actual self vs. ideal self, basis of Q sort test format
Term
Tests should have a mix between both easy level questions and harder level questions.
Definition
Easy questions boost confidence but harder ones make it easier to weed people out based on scores. Levels of test questions depend on type of test (medical school = harder test, mix of bother = general education)
Term
Discrimintation index
Definition
proportion of tops scorers and low scorers overall
Term
Point-biserial method
Definition
correlation b/w item (correct/incorrect) and total test score - lower the correlation the suckier the test item (should be above .3)
Term
Standardized administration
Definition
put garbage in and you'll get garbage out; go about a test in a crappy way you'll get crappy results.
Term
Examiner effects
Definition
familiarity of examiner, rapport, race
Term
Language of test taker
Definition
translating tests to another language may not produce a reliable/valid test (find their proficient language and test in that)
Term
Rosenthal effects
Definition
tendency for test results to conform to examiner expecations and/or motivations
Term
Reciprocity
Definition
interviewer/interviewee match each others level of activity
Term
A psychologist sets the tone, true or false?
Definition
Yes, they do. Good cop, bad cop, social facilitation
Term
An interviewer is acting all hyper and energetic. What is likely to happen due to reciprocity?
Definition
The interviewee will act hyper and energetic. The interviewee will mimick that of that person interviewing them.
Term
What are some good qualities to have as an interviewer?
Definition
warmth, openness, understanding
Term
Interviewers want to avoid...
Definition
judgemental and hostile statements
Term
What is a probe?
Definition
a question that makes the interviewee justify a statement or response;
I hate school. "what's wrong with school?" I can't stand my mother. "What happened with your mother?"
Term
True or false, advice from an interviewer is good.
Definition
FALSE, never give advice. Ask more about why they're making certain statements but DO NOT give advice. It creates a power hierarchy.
Term
A friend telling you that they hoped they passed a hard stat test, you're response of "Don't worry about it. I'm sure you did fine" is an example of what type of response?
Definition
false reassurance
Term
The best types of questions to ask in an interview...
Definition
open ended, make them talk. Close ended questions end with a "yes" or "no."
Term
Evaluation interview
Definition
starts with open ended questions, then response to confrontation
Term
Structured clinical interview
Definition
when the interviews asks the examinee to respond to pre-established items (helps cover items that may be missed, increases reliability, etc)
Term
Halo effect
Definition
extent of appearance impacts judgment of interviewer; better you look the better the interviewer receives you
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