HCD 300 EXAM 1 QUESTIONS WITH VERIFIED
ANSWERS 2026
Range - Answers - Subtracting the lowest value of a data set from the highest value of a
data set results in this measure.
Mean - Answers -
Content Validity - Answers - when you want to know whether a sample of items truly
reflects an entire universe of items in a certain topic; the property of a test such that the
test sample the universe of items for which the test is designed (most often used with
achievement tests)
Concurrent Criterion Validity - Answers - when you want to know whether test scores
are systemically related to other criteria that indicate the test taker is competent in a
certain area; assesses whether a test reflects a set of abilities in a current or future
setting
Interrater Reliability - Answers - the measure that tells you how much two raters agree
on their judgments of some outcome; computed by number of agreements by number of
possible agreements
Interquartile Range (IQR) - Answers - represents 50% of distribution; IQR = Q3 - Q1;
helps determine outliers
Which of the following is concerned with monitoring estimates of present performance
and predictions of future performance?
Criterion validity
Content validity
Internal validity
Construct validity - Answers - Criterion validity
High school class rank is highly correlated with college GPA. This is an example of what
type of validity?
Concurrent validity
Predictive validity
Content validity
Construct validity - Answers - Predictive validity
A survey for kindergartners asked about their favorite color. The children were asked to
check the box corresponding to blue, red, green, yellow, or orange. What is the scale of
measurement for this question?
Interval
, Ratio
Ordinal
Nominal - Answers - Nominal
What level of measurement is household income?
Ordinal
Nominal
Interval
Ratio - Answers - Ratio
A researcher divided subjects into two groups according to gender and then selected
members from each group for her sample. What sampling method was the researcher
using?
Stratified
Cluster
Random
Systematic - Answers - Stratified
Researchers want to determine the percentage of students who own iPhones and
Android cell phones. They go to a popular spot on campus and ask first 100 students
who pass what type of cell phone they own. What type of sampling method is this?
Cluster
Convenience
Stratified
Random - Answers - Convenience
If a measure is consistent over multiple occasions, what type of reliabiility does the test
have?
Internal validity
Inter-rater reliability
Construct validity
Test-retest reliability - Answers - Test-retest reliability
Reliability is concerned with:
Generalizability
Consistency
Accuracy
Error - Answers - Consistency
Validity is concerned with:
Error
Consistency
Generalizability
Accuracy - Answers - Accuracy
ANSWERS 2026
Range - Answers - Subtracting the lowest value of a data set from the highest value of a
data set results in this measure.
Mean - Answers -
Content Validity - Answers - when you want to know whether a sample of items truly
reflects an entire universe of items in a certain topic; the property of a test such that the
test sample the universe of items for which the test is designed (most often used with
achievement tests)
Concurrent Criterion Validity - Answers - when you want to know whether test scores
are systemically related to other criteria that indicate the test taker is competent in a
certain area; assesses whether a test reflects a set of abilities in a current or future
setting
Interrater Reliability - Answers - the measure that tells you how much two raters agree
on their judgments of some outcome; computed by number of agreements by number of
possible agreements
Interquartile Range (IQR) - Answers - represents 50% of distribution; IQR = Q3 - Q1;
helps determine outliers
Which of the following is concerned with monitoring estimates of present performance
and predictions of future performance?
Criterion validity
Content validity
Internal validity
Construct validity - Answers - Criterion validity
High school class rank is highly correlated with college GPA. This is an example of what
type of validity?
Concurrent validity
Predictive validity
Content validity
Construct validity - Answers - Predictive validity
A survey for kindergartners asked about their favorite color. The children were asked to
check the box corresponding to blue, red, green, yellow, or orange. What is the scale of
measurement for this question?
Interval
, Ratio
Ordinal
Nominal - Answers - Nominal
What level of measurement is household income?
Ordinal
Nominal
Interval
Ratio - Answers - Ratio
A researcher divided subjects into two groups according to gender and then selected
members from each group for her sample. What sampling method was the researcher
using?
Stratified
Cluster
Random
Systematic - Answers - Stratified
Researchers want to determine the percentage of students who own iPhones and
Android cell phones. They go to a popular spot on campus and ask first 100 students
who pass what type of cell phone they own. What type of sampling method is this?
Cluster
Convenience
Stratified
Random - Answers - Convenience
If a measure is consistent over multiple occasions, what type of reliabiility does the test
have?
Internal validity
Inter-rater reliability
Construct validity
Test-retest reliability - Answers - Test-retest reliability
Reliability is concerned with:
Generalizability
Consistency
Accuracy
Error - Answers - Consistency
Validity is concerned with:
Error
Consistency
Generalizability
Accuracy - Answers - Accuracy
