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Transcript of PDMS-2
Peabody Developmental Motor Scales- 2nd edition
in a room, hall or outdoors
must be administered exactly as specified in the guide
can repeat instructions up to 3 times
start exam at entry points
take notes on observations
valid across groups
construct to other tests is good
predictive with Mullen
good content-measures what it should
Usefulness for OT
diagnostics of gross and fine motor deficits
skill deficits can be identified and turned into goals
can be used to reassess progress
motor activities program (red book)
Folio, R. M., & Fewell, R.R. (2012). Peabody developmental motor scales (2nd ed.). Austin, Tx: Pro Ed.
Stokes NA, Deitz JL, Crowe TK (1989). The Peabody Developmental Motor Scale: An inter- rater reliability study. American Journal of Occupational Therapy 44: 334–40.
Purpose of Test
The PDMS-2 is an early childhood motor development program that provides both an in-depth assessment and training or remediation of gross and fine motor skills.
Birth - 5 years
Materials & Equipment
Kit, manual, profile/summary form, examiner booklet, guide to administration book, motor activities program, test materials:
1 Black Shoelace
6 Square Beads
1 Wooden Pegboard
3 Wooden Pegs
12 1" Cubes
1 Large Button Strips
1 Bottle with Cap
1 Formboard with Corresponding Shapes
1 Lacing Card
1 Measuring Tape
1 Roll 2" Masking Tape
Validity / Reliability
college courses on assessment, OT, PT, special ed.
easy to administer
highly reliable and valid
don't have to do whole test (just subtests)
assess only motor skills
not responsive to change in children with severe disabilities
test items are not flexible
no diagnostic implications
large gap in age on fine motor portion
Basal & Ceiling
basal is established when the child receives a score of 2 on three items in a row
ceiling is established when the child scores 0 on three items in a row
Catalog order-Sammons Preston, Pearson Assessment
Online Retailers-Therapro.com, proedinc.com
Criteria for scoring items:
2 = the child performs the item according the criteria specified for mastery
1 = the child's performance shows a clear resemblance to the item mastery criteria but does not fully meet the criteria
0 = the child cannot or will not attempt the item, or the attempt does not show that the skill is emerging
add up scores in each section until there are 3 consecutive 0s in a row = this equals the raw score of that section
Results of scores:
5 types: raw scores, age equivalent, percentiles and standard scores
** mean of 10, SD of 3 **
each subtests reliability is .82 or higher
By: Carly Volante, Taylor Smith, Taylor Szwec & Josh Plumlee
1) a Gross Motor Quotient which is a composite of the Reflexes, Stationary, Locomotion and Object Manipulation subtests
2) a Fine Motor Quotient, a composite of the Grasping and Visual-Motor Integration subtests
3) a Total Quotient, a combination of the gross and motor subtests.