Experimental Design & Data Collection · Survey Design & Psychometrics

Survey design · questionnaires and measurement instruments

Public introduction · full guide in Eikos

Introduction

What this guide covers

Introduction Introduction Statistical Methodology and Advanced Instrumentation

Overview

Topics covered

  • Introduction
  • Design of Surveys and Measurement Instruments
  • Methodological Foundations and Measurement Theory
  • 1. Classical Test Theory (TCT)
  • 2. Item Response Theory (IRT)
  • Validity of Measuring Instruments

Related concepts

Main connections

  • Variance & standard deviation
  • Linear algebra & matrices
  • Maximum likelihood estimation
  • Principal component analysis (PCA)
  • Conditional probability & independence
  • Epidemiological measures & risk ratios

Compatible notation

Mathematical sample in LaTeX

The expression is rendered accessibly, with its LaTeX source preserved below.

Xi=Ti+Ei
View LaTeX sourceX_i = T_i + E_i