Video resources

YouTube videos—The basics

About Lectica

Describes our mission and general approach.

Why Lectical Assessments

Explains our educational ideas and aims.


Explains the virtuous cycle of learning—the learning model behind all of our learning tools.

Lectical Levels

Describes our developmental levels.

500 addicted babies

Describes how "optimal" learning works.

Measuring robust learning

Describes how we measure "robust" learning.

YouTube videos—Coaches & consultants

Human Capital Value Chain (HCVC)

Explains how Lectica's services and products fit into your human capital value chain.

Complexity, Lectica, & your business

Explains why the skills we measure and grow are important in the workplace.

Adult Lectical Levels

Describes the Lectical Levels that are most common in adulthood, with a focus on leader development.

From Piaget to Dawson

Describes the evolution of Lectical Assessments from the early cognitive developmental work of Piaget and his followers.

YouTube videos—Adult test takers

How to impress CLAS

Describes how to answer questions on Lectical Assessments.

Memorizing vs. learning

Explains the fundamental difference between simple memorization and real learning.

The story of Sheila & Lettie

Describes the harm caused by an over-emphasis on memorization.

About DiscoTest—for school leaders

A description of the DiscoTest Initiative and our learning tools for school leaders and other decision makers.

YouTube videos—Courses


Introduces Foundations of Lectical Assessment, a graduate level course covering the literature that inspired our work.

LAP-2 preview

Explains the rationale behind Lectica's recruitment tools and introduces Lectical Assessment in Practice—2, our certification course for recruitment consultants.


The early days of DTS/Lectica (2009)

What's behind Lectical Assessments (2009)

How the history of developmental assessment influenced the development of the LAS and Lectical Assessments (2009)

Leadership and decision-making

The ideal relationship between learning and development

Developmental levels & tiers

Selected funders

IES (US Department of Education)

The Spencer Foundation


Dr. Sharon Solloway

The Simpson Foundation

The Leopold Foundation

Donor list

Selected clients

Glastonbury School District, CT

The Ross School

Rainbow Community School

The Study School

Long Trail School

The US Naval Academy

The City of Edmonton, Alberta

The US Federal Government

Advisory Board

Antonio Battro, MD, Ph.D., One Laptop Per Child

Marc Schwartz, Ph.D. and former high school teacher, University of Texas at Arlington

Mary Helen Immordino-Yang, Ed.D., University of Southern California

Willis Overton, Ph.D., Temple University, Emeritus