A variable which ranks people by age from youngest to oldest would be measured on
A variable which ranks people by age from youngest to oldest would be measured on
a(n)
nominal
scale.
ordinal
interval
ratio
Question 2 Brand of smartphone is a(n)
scale variable.
nominal
ordinal
interval
Question 3 The Law School Admissions Test (LSAT) is given to students seeking admission to law school. If those who score high on the LSAT ultimately have higher grades in law school, while those with lower scores have lower grades, the LSAT is said to have
concurrent validity
face validity
predictive validity
test-retest reliability
Question4 Grip strength is a common physical fitness assessment tool which is highly reliable, however research has demonstrated that it has little relationship with actual fitness levels. Which of the following best describes the use of grip strength as a measure of physical fitness?
It has high criterion validity.
It has a low Cronbach’s alpha.
It has low face validity.
Question 5 A(n) ____________ is a specific and falsifiable statement about the relationship
between two or more variables.
correlation
observation
operational definition
Question6 Height in inches is a(n) __________ scale variable
nominal
ordinal
interval
ratio
Question 7 The ____________ is the statistic representing the probability that our results are due to random
chance.
alpha level
p-value
Tukey’s Honestly Significant Difference
Student’s t-test
Question 8 A researcher is testing out a new personality assessment to determine a participant’s personality type. She shows that scores from her new measure are unrelated to measures of mood and cognitive ability. She has demonstrated that her new assessment has validity.
concurrent
criterion
discriminate
face
Question 9 IQ score is an example of a(n) _________ scale variable.
nominal
ordinal
interval
ratio
Question 10 refers to the consistency of a measurement and the extent to which the measured variable is free from random errors.
effect size
reliability
stability
Validity
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