Examlex
What are item-criterion correlations? Describe one way in which developers use them?
Sampled Population
The subset of individuals or items selected from the entire population for the purpose of statistical analysis.
Population Mean
The average value of all the members of a population.
P-Value
The probability of observing results at least as extreme as those in a data set, given that the null hypothesis is true.
Hypothesis Testing
A statistical method used to decide whether a hypothesis about a parameter in a population is supported by the data gathered from a sample.
Q3: Group IQs are more accurate estimates of
Q10: When an underlying theory explains the relation
Q13: What type of standard score is expressed
Q22: What is the discrimination index?<br>A) a comparison
Q27: Which one of the following statements regarding
Q30: Joanna wishes to describe the middle point
Q34: If you wanted to contact the publisher
Q37: Most distributions of human traits, from height
Q52: Pierre conducted a validation study, and he
Q80: Mr. Mills instructs his students to practice