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Infant Toddler Development Training
Module 3, Lesson 2


The information obtained through screening, evaluation and assessment can be formal or standardized or informal. By formal, we mean that the assessment and evaluation are standardized or norm-referenced. According to the Early Steps Service Delivery Policy and Guidance: Delivering Service in the Routines and Daily Activities of Children with Disabilities and their Families, teams must use norm-referenced tests in the evaluation of infants and toddlers to determine eligibility for program services. In the assessment phase, information is gathered for intervention planning. During the assessment process, more informal assessment strategies and instruments are to be used and team members from at least two disciplines are to be in involved in an arena assessment format. In this lesson we will explore the properties of norm referenced tools as well as informal and authentic instruments and strategies.

Learning Objectives

Upon completion of this lesson, the participant will be able to:

  1. Describe characteristics of effective observation
  2. Identify the purposes of various formats for observation
  3. Define terminology related to standardized (norm-referenced) evaluation
  4. Label and describe uses of various authentic forms of assessment for infants and toddlers with disabilities
  5. Identify criteria for the selection and application of appropriate assessment tools/ instruments/ strategies to use for child evaluation and assessment
  6. Describe types of assessment tools/instruments and their uses and limitations.


The following resources are necessary for the completion of this lesson. Learners may wish to access and print hard copies of the resources prior to beginning the lesson for future reference. Some resources listed below are found in the Resource Bank.

Others are available online.

Key Words

Definitions of key words are found in the glossary.

  • Standardized test
  • Validity
  • Anecdotal recording
  • Informal assessment
  • Portfolio
  • Reliability
  • Observation


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