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WGU - MEC1 Study Guide EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS 2026 (VERIFIED
ANSWERS)
CONTENT validity - CORRECT ANSWERS the assessment measures the content it's designed to assess
Purpose of CONSTRUCT validity - CORRECT ANSWERS Checks to see if test measures what it's supposed to and not something else
Purpose of CONTENT validity in objective assessment - CORRECT ANSWERS To determine how closely the test represents what should be assessed.
Objective assessment - CORRECT ANSWERS Question with only one answer
Purpose of CRITERION-RELATED validity - CORRECT ANSWERS Measures the degree of correlation between a first and 2nd test
CONSEQUENTIAL validity - CORRECT ANSWERS results are used for a purpose and have social significance.
FACE validity - CORRECT ANSWERS looks valid on the surface
CONSTRUCT validity - CORRECT ANSWERS Degree to which a test actually measures what it claims to measure
CRITERION-RELATED validity - CORRECT ANSWERS Validity is determined by comparing one test to another (2 types: concurrent & predictive)
PREDICTIVE validity - CORRECT ANSWERS results used to determine future achievement
CONCURRENT validity - CORRECT ANSWERS the extent to which two measures of the same trait or ability agree
OR
how well a new test compares to a well-established test
How do you ensure validity of a test? - CORRECT ANSWERS 1. Scoring procedures are evaluated for objectivity FAIRNESS
- Test is evaluated for evidence bias
CHECK for BIAS
- test is evaluated for content consistency
CONSISTENT
Threats to validity - CORRECT ANSWERS 1. Ambiguous test directions
- cheating by students
- subjective scoring methods
INTERNAL reliability - CORRECT ANSWERS consistent results across items in a test
SPLIT HALF = both halves of the test "work"
Kuder-Richardson
Chronbach's alpha
estimated from a single administration of a test
High RELIABILITY coefficients show... - CORRECT ANSWERS highly reliable
Low RELIABILITY coefficients show... - CORRECT ANSWERS low reliability
Characteristics of reliability coefficients measure... - CORRECT ANSWERS 1. how well scores hold up over time
- the degree to which the items on a test are homogeneous
- the closeness of the judges' scores
Constructed Response - CORRECT ANSWERS a written response to a prompt (usually a paragraph)
LOW reliability (depending on inter-rater folks)
Projective Test - CORRECT ANSWERS a personality test, such as the Rorschach or TAT,
LOW reliability
Heterogenous test group - CORRECT ANSWERS HIGH reliability
Large number of test questions - CORRECT ANSWERS HIGH reliability
a short test, a quiz - CORRECT ANSWERS LOW reliability
Significant difference in students' scores - CORRECT ANSWERS LOW reliability
Several subtest components of one larger test - CORRECT ANSWERS LOW reliability
negligible (insignificant) standard error of measurement - CORRECT ANSWERS typical error of measurement is insignificant
HIGH reliability
Significant standard error of measurement - CORRECT ANSWERS measure of how much measured test scores are spread around a "true" score.
more errors = the less accurate the test
LOW reliability
Minor differences in students' scores - CORRECT ANSWERS HIGH reliability
Inconsistent rating of constructed response items - CORRECT ANSWERS LOW reliability
Spearman-Brown used for VALIDITY or RELIABILITY? - CORRECT ANSWERS RELIABILITY
FORMATIVE - CORRECT ANSWERS never graded, anonymous
used to guide instruction
FORMATIVE evaluation element
An ELEMENT of Formative Evaluation - CORRECT ANSWERS IMPLEMENTATION evaluation
(notes the changes needed as instruction progresses)
purpose of summative evaluation - CORRECT ANSWERS To assign grades or certify mastery
see if goals have been met
make decisions
Identify subject of the evaluation - component of... - CORRECT ANSWERS SUMMATIVE Evaluation
Define the purpose of an evaluation - component of... - CORRECT ANSWERS SUMMATIVE Evaluation
Who are stakeholders? Plan the eval - components of... - CORRECT ANSWERS SUMMATIVE Evaluation
determine the data needed for answers - component of... - CORRECT ANSWERS SUMMATIVE Evaluation
Decide where data is, how to collect it, collection instruments - components of... - CORRECT ANSWERS SUMMATIVE Evaluation
Write the narrative timeline of when & how data will be collected - component of... - CORRECT ANSWERS SUMMATIVE Evaluation
SELECTED RESPONSE test - CORRECT ANSWERS choose answer
easier to grade
higher reliability (WGU tests)
CONSTRUCTED RESPONSE test - CORRECT ANSWERS short answer, essay or other open ended questions
pain to grade
lower reliability
Components of CONSTRUCTED response: - CORRECT ANSWERS clear directions
ample space for answers
give details about what is required in answer
INTERVIEW - CORRECT ANSWERS A face-to-face or telephone questioning of a respondent to obtain desired information.
questionaire - CORRECT ANSWERS Provide answers to well-defined questions
electronic format
Closed end questions - QUALITATIVE or QUANTITATIVE? - CORRECT ANSWERS QUANTITATIVE
Likert Scales 1-5 - QUALITATIVE or QUANTITATIVE? - CORRECT ANSWERS QUANTITATIVE ####
Comparison of Pre-test vs post test scores
QUALITATIVE or QUANTITATIVE? - CORRECT ANSWERS QUANTITATIVE ####
Summative evaluation using student test scores
QUALITATIVE or QUANTITATIVE? - CORRECT ANSWERS QUANTITATIVE ###
Semantic differential scale on a continuum
QUALITATIVE or QUANTITATIVE? - CORRECT ANSWERS QUANTITATIVE ####
Interview to capture scaled responses
QUALITATIVE or QUANTITATIVE? - CORRECT ANSWERS QUANTITATIVE (scaled - #s)
