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Developmental Profile™ 3 (DP™-3)

Developmental Profile™ 3 (DP™-3)
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Developmental Profile™ 3 (DP™-3)

By Gerald D. Alpern, PhD

Allows you to quickly screen a child for developmental delays in five key areas


Birth through 12 years, 11 months


20-40 minutes


Interview or Parent/Caregiver Checklist


Norm-based standard scores, percentiles, stanines, age equivalents, and descriptive ranges


Standardized on a nationally representative sample of 2,216 individuals



Developmental Profile™ 3 (DP™-3)

By Gerald D. Alpern, PhD

This fully revised third edition of the Developmental Profile strengthens and updates an instrument already considered the best of its kind. Like previous versions, the DP-3 evaluates children’s functioning in five key areas, in just 20 to 40 minutes. However, this edition adds norm-based standard scores, an expanded age range, updated item content, clearer interpretive guidelines, a nationally representative standardization sample, new empirical studies demonstrating its reliability and validity, and unlimited computer scoring and interpretation.

Comprehensive Yet Quick

Designed to evaluate children from birth through age 12 years, 11 months, the DP-3 includes 180 items, each describing a particular skill. The respondent simply indicates whether or not the child has mastered the skill in question.

The DP-3 provides a General Development score as well as the following scale scores:


Large- and small-muscle coordination, strength, stamina, flexibility, and sequential motor skills

             Adaptive Behavior

Ability to cope independently with the environment—to eat, dress, work, use current technology, and take care of self and others


Interpersonal skills, social–emotional understanding, functioning in social situations, manner in which child relates to peers and adults


Intellectual abilities and skills prerequisite to academic achievement


Expressive and receptive communication skills, including written, spoken, and gestural language

Within each scale, basals and ceilings are used, so you don’t have to administer all 180 items. And because each scale has its own norms, you don’t have to use all five scales if you’re interested in just one.

Ideal for Routine Screening or Focused Assessment

Because the DP-3 is comprehensive yet quick and cost-effective, it makes routine screening feasible. You can administer the test to large groups of children knowing that it will alert you to any significant problems that may be present.

Or you can use the DP-3 when you have a specific question about a particular child. It’s an effective way to investigate puzzling behavior, respond to parental concerns, or follow up on teacher observations. The test can lead to answers even when you have only a hunch that the child may have a problem.

A Convenient New Administration Option

While a parent interview is the preferred method of administration, the DP-3 offers an alternative that’s useful when a face-to-face meeting is not possible. The Parent/Caregiver Checklist contains the same item content as the Interview Form (though language has been altered slightly). Written at a sixth-grade reading level, the checklist can be completed, without your supervision, by the child’s parent or other caregiver who is knowledgeable about the child’s functioning.

Five Score Formats

DP-3 scores are available in five formats: standard scores, percentile ranks, stanines, age equivalents, and descriptive ranges. This gives you flexibility in using, reporting, and explaining test results. For example, you might choose standard scores for eligibility determination or progress monitoring; age equivalents for parent conferences; and stanines or percentiles for school records.

Norms are based on a sample of 2,216 typically developing children representative of the U.S. population in regard to ethnicity, geography, and socioeconomic status.

Unlimited Computer Scoring and Interpretation

Provided on an unlimited-use CD, the DP-3 computer program saves time, reduces the chance of error, and provides both scoring and interpretation. It gives you highly useful reports, with the following features:

             Graphical Representation of Scores

You can easily spot advanced or delayed development across the five scales and the General Development score.

             Scale Pattern Analysis and Scale-by-Scale Item Analysis

These calculations—which are difficult or impossible in hand scoring—reveal statistical significance in the pattern of strengths and weaknesses and pinpoint skills not mastered that fall below the child’s ability level on each scale.

             Individualized Intervention Activities

For each scale, the program suggests teaching activities that address the child’s specific weaknesses.

             Clinician and Parent Reports

The CD generates a thorough clinical report for professionals and an easy-to-understand summary for parents. Both can be easily customized.

IDEA Compliance    

Because the DP-3 meets federal criteria for evaluating children with developmental problems, it’s useful in helping determine eligibility for special education, planning IEPs, and implementing periodic screening programs. Its five scales correspond to the five domains specified in IDEA for assessing developmental delays. In addition, the DP-3’s interview format and provision of a parent report satisfy the federal requirement that parents be involved in their child’s assessment.

The DP-3 is an excellent way to identify developmental strengths and weaknesses early in a child’s life. Its norm-based standard scores allow you to compare children’s functioning with that of their peers, design interventions that meet their particular needs, and monitor their progress over time.


Product Items

DP-3 Parent/Caregiver Checklist (Pack of 25)
Item # w-462b
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DP-3 Software Kit Includes 25 Interview Forms; 25 Parent/Caregiver Checklists; Manual; Unlimited-Use Scoring and Interpretation Software
Item # w-462s
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DP-3 Kit Includes 25 Interview Forms; 25 Parent/Caregiver Checklists; Manual
Item # w-462k
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DP-3 Interview Form (Pack of 25)
Item # w-462a
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Adaptive Behavior Assessment System, Third Edition (ABAS-3)

Widely used to evaluate people with intellectual and developmental disabilities, the ABAS-3 assesses adaptive behaviour in individuals from birth to 89 years of age. It is particularly useful in evaluating individuals with developmental delays, autism spectrum disorder, intellectual disability, learning disabilities, neuropsychological disorders and sensory or physical impairments.

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