48 Questions
Which type of test measures a person's potential for learning or acquiring skills?
Aptitude test
What is the term for a set of items that are designed to measure characteristics of human beings that pertain to behavior?
Psychological test
What type of test can be administered to more than one person at a time by a single examiner?
Group test
Which of the following is a data reduction technique?
Principal components
Who is considered the Father of Classical Test Theory?
Charles Spearman
What is the major assumption in Classical Test Theory regarding errors of measurement?
Errors of measurement are random
What does the standard error of measurement tell us?
How much a score varies from the true score
Which correlation coefficient is used when both data are ordinal?
Spearman's rho
What is the formula for calculating Z-score?
Z = (X-M)/SD
Which test is used to evaluate the relationship between two variables in the population?
Chi Square Test for Independence
What is the measure of symmetry in a distribution called?
Skewness
Which formula is used to convert a raw score into a Z-score?
$X = m(Z) + SD$
What does the 50th quartile represent in a frequency distribution?
The median
What is the purpose of norm-referenced tests?
To compare each person with a norm
What does the regression coefficient (b) represent in a regression equation?
The slope of the regression line
Which correlation coefficient is used when both variables are dichotomous and at least one of them is a true dichotomous variable?
Phi coefficient
What is the measure of accuracy of prediction in regression analysis?
Standard Error of Estimate
What does the coefficient of determination (r^2) tell us?
The proportion of the total variation in scores on Y that we know as a function of information about X
What is the measure of non-association between two variables called?
Coefficient of Alienation
Who is considered the Father of Comparative Psychology?
Sir Francis Galton
Who is considered the Father of Mental Testing?
Alfred Binet
What is the purpose of a standardized achievement test?
To assess mental ability
Which of the following is a property of an interval scale?
The difference between two points at any place on the scale has the same meaning as the difference between two other points that differ by the same number of scale units
Which of the following is an example of an ordinal scale?
IQ scores
What is the purpose of exploratory data analysis according to the text?
To summarize the main characteristics of a collection of quantitative information
Which type of test measures a person's potential for learning or acquiring skills?
Aptitude test
What is the measure of non-association between two variables called?
Coefficient of non-determination
What is the purpose of exploratory data analysis according to the text?
To identify outliers and patterns in data
Which of the following individuals is considered the Father of Modern Psychology?
Wilhelm Wundt
Who is credited with developing the first standardized intelligence test?
Alfred Binet
Which individual opened the world's first school for the mentally retarded?
Edouard Seguin
Which of the following is NOT a property of an interval scale?
Absolute zero
Which of the following is an example of a nominal scale?
Naming objects
What is the purpose of exploratory data analysis?
To gather and display clues
Which correlation coefficient is used when both data are nominal in nature (for true dichotomy)?
Phi coefficient
What is the measure of peakedness in a distribution called?
Kurtosis
What is the measure of symmetry in a distribution called?
Skewness
What is the formula for calculating the Z-score?
Z = (X - M)/SD
Which correlation coefficient is used when both variables are dichotomous and at least one of them is a true dichotomous variable?
Point biserial correlation
What is the measure of accuracy of prediction in regression analysis?
Standard Error of Estimate
What is the major assumption in Classical Test Theory regarding errors of measurement?
Errors of measurement are random and have a mean of zero
What does the regression coefficient (b) represent in a regression equation?
The slope of the regression line
Which of the following is NOT a data reduction technique?
Item response theory
Which correlation coefficient is used when both variables are nominal?
Phi coefficient
Who proposed the product moment correlation?
Karl Pearson
What is the difference between the observed score and the true score in Classical Test Theory?
Measurement error
Which correlation coefficient is used to determine the degree of variation in one variable that can be estimated from knowledge about variation in the other variable?
Pearson Product Moment Correlation Coefficient
What is the purpose of normative data in psychological testing?
To provide information about the middle level of the distribution and representative groups
Test your knowledge of statistical methods used with dichotomous variables. Learn about biserial correlation, point biserial correlation, and phi coefficient in this quiz.
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