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Concept Assessment Kit Conservation (CAK)
by Marcel L. Goldschmid and Peter M. Bentler

Quick Facts

CAK Concept Assessment Kit Conservation PhotoForms: Forms A and B (Parallel Forms), Form C
Range: Ages 4-7
Norms: Children ages 4-7
Administration Time: 10-15 minutes per form
Scoring Options: Hand-scoring with Manual

Assess Cognitive Development in
Pre-School and Early School-Age Children


The Concept Assessment Kit (CAK) is designed to measure "conservation" and is one of the few theory-based measurement instruments for children at this age level. The materials in the Kit are inherently interesting to children providing positive, interesting stimulus for assessment, as well as being a valuable tool for learning.

Learn more about the CAK scales

CAK Materials

Item Code & Quantity Price
Kit of Materials
(Complete Kit
for administering
Forms A, B, and C* including Manual)		 CAK-KIT
  • 71.75
Recording Forms
(one form needed for
each examinee)**		 CAK-AHS-025
CAK-AHS-100
CAK-AHS-500
  • 13.75
  • 47.00
  • 178.50
Manual CAK-MAN
  • 5.50

* Recording Forms must be ordered separately
** Separate instructions and Recording Booklet for each Form (Please specify Form A, B, or C)