com.itemanalysis.psychometrics.measurement

Class ClassicalTestSummary

java.lang.Object

com.itemanalysis.psychometrics.measurement.ClassicalTestSummary

public class ClassicalTestSummary
extends java.lang.Object

A newer and more clear version of TestSummary.java. It does not include the part-test reliability statistics.

Constructor Summary

Constructors

Constructor and Description
ClassicalTestSummary(java.util.ArrayList<VariableAttributes> variableAttributes, boolean unbiased, boolean deletedReliability, boolean computeCSEM, int[] cutScores)

Method Summary

Modifier and Type	Method and Description
ConditionalSEM	computeCSEM(ScoreReliability reliability, boolean unbiased)
Huynh	computeDecisionConsistency()
double[]	getDIndexBounds(int percentile) Computes the sum score values at the pth and 100-pth percentile.
void	increment(double score)
void	incrementReliability(int xIndex, int yIndex, double x, double y)
double	kr21()
int	numberOfItems()
java.lang.String	print()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ClassicalTestSummary

public ClassicalTestSummary(java.util.ArrayList<VariableAttributes> variableAttributes,
                            boolean unbiased,
                            boolean deletedReliability,
                            boolean computeCSEM,
                            int[] cutScores)

Method Detail

increment

public void increment(double score)

incrementReliability

public void incrementReliability(int xIndex,
                                 int yIndex,
                                 double x,
                                 double y)

computeDecisionConsistency

public Huynh computeDecisionConsistency()

computeCSEM

public ConditionalSEM computeCSEM(ScoreReliability reliability,
                                  boolean unbiased)

kr21

public double kr21()

numberOfItems

public int numberOfItems()

getDIndexBounds

public double[] getDIndexBounds(int percentile)

Computes the sum score values at the pth and 100-pth percentile.

Parameters:

percentile - a number between 1 and 99.

Returns:

upper and lower bounds for the D-index

print

public java.lang.String print()