Psych101

Psychkey

Psychresponses

A multiple-choice examination given to 379 students in an introductory course in psychology in the Christmas exam period of 1989 at McGill. 
The test consisted of 100 multiple-choice items, each having four response options.

datasets

Fits nonparametric item and option characteristic curves using kernel smoothing. It allows for optimal selection of the smoothing bandwidth using cross-validation and a variety of exploratory plotting tools. The kernel smoothing is based on methods described in Silverman, B.W. (1986). Density Estimation for Statistics and Data Analysis. Chapman & Hall, London.

Brian McGuire

KernSmoothIRT

Nonparametric Item Response Theory

Psych101 function

<dl class="dl-horizontal">
	<dt><code>Psychkey</code></dt><dd>is a numeric vector with the correct responses for each of the 100 questions on the exam.</dd>
	<dt><code>Psychresponses</code></dt><dd>is a numeric matrix with students' answers. 
	Each column represents a question and each row represents a student.</dd>
		</dl>

Format

The Introductory Psychology Data — Psych101

<dl class='dl-horizontal'>
	<dt><code>Psychkey</code></dt><dd>is a numeric vector with the correct responses for each of the 100 questions on the exam.</dd>
	<dt><code>Psychresponses</code></dt><dd>is a numeric matrix with students' answers. 
	Each column represents a question and each row represents a student.</dd>
		</dl>

Psych101: The Introductory Psychology Data

Description

Usage

Arguments

Format

Details

References