What makes a test reliable?
When it produces the same results each time it was administered
True/False questions are ___tomous
Gender, Ethnicity, and Religion are examples of ____ variables
Nominal
regression
Explain how to find the mean, median, and mode?
Mean = add up all n and divide by n
Median = count down from each side
Mode = most common
A participant may perform differently the second time they are tested because of?
Carry-Over Effects (Practice Effects are a type of carry-over effect)
This is what type of question?
Are you satisfied with your pay and your coworkers? Yes/No
Double-Barreled
When analyzing olympic data on where someone finished in a marathon, we are dealing with interval/ratio/ordinal data?
Ordinal
Hi, I am a normal curve that has an elongated curve to the right of the Y-Axis, am I positively or negatively skewed?
Positive
50
Which validity refers to the extent to which something appears to measure what it claims to measure?
Face Validity
A_____ tests are used to measure potential?
A_____ tests are used to measure past learning?
Aptitude; Achievement
What is the difference between interval and ratio scales?
Ratio have an absolute zero
What is the term for the approximate average deviation around the mean?
Standard Variance
Standard CoVariance
Standard Deviation
Standardized Deviation
Standard Deviation
Which is the strongest correlation value?
0
1
1.1
-.5
1
What are the 3 properties of measurement scales?
Magnitude, Equal Intervals, Absolute Zero
Jimmy went and took the same test 3 times, but got different questions each time? What type of test form did Jimmy take?
Parallel Form
Strongly Agree, Agree, Neutral, Disagree, Strongly Disagree
Ordinal
The degree to which X and Y share a relationship is known as:
Variation
Regression
Covariance
P-Value
Covariance
Which part of the regression formula is the "dependent variable" represented by?
Y
Who is given credit for coining the term "mental test"
Catell
Good theories are explanatory, broad scope, systematic, Generative, Falsifiable, and P______
Parsimonious
This dynasty was the first to be known for using 'testing':
Yuan
Han
Ming
Jin
Han
What is a main reason we would use factor analysis?
Quadratic Formula
Standardize the slope term
Square the correlation coefficient
Divide the slope by the degrees of freedom
Square the correlation coefficient