SPM 2 - Sensory Processing Measure, Second Edition and SPM-2 Quick Tips™

by L. Diane Parham, PhD, OTR/L, FAOTA, Cheryl L. Ecker, MA, OTR/L, Heather Kuhaneck, PhD, OTR/L, FAOTA, Diana A. Henry, MS, OT/L, FAOTA, Tara J. Glennon, EdD, OTR/L, FAOTA

Purpose: Provides a complete picture of sensory integration and processing difficulties in multiple environments; SPM-2 Quick Tips offer item level intervention strategies to help with sensory integration and processing challenges
Age: 4 months to 87 years
Admin: Individual    
Time:
20 to 30 minutes for each of the 12 main forms; 10 minutes for each Environment Form    

Qualification Level: 


SPM-2™: Expanded Across the Lifespan for Research, Clinical, and School-Based Practice

You can’t see sensory processing deficits just by looking at someone, but their needs will become clearer when you use the new SPM-2.

The SPM-2 is an upgrade and expansion of the Sensory Processing Measure family of products, widely acclaimed as the best of its kind. A behavior rating scale, the SPM-2 offers new forms – including driving forms – and a broadened age range, so no one gets left behind.

Like its predecessors, the new SPM-2 is firmly grounded in Ayres Sensory Integration® theory. T‑scores provide norm-referenced indexes of the integrative functions of praxis and social participation, as well as the following sensory systems:

  •     Visual
  •     Auditory
  •     Tactile
  •     Olfactory and Gustatory (new)
  •     Proprioceptive
  •     Vestibular

The SPM‑2 items provide descriptive clinical information on processing vulnerabilities within each sensory system, including under- and over-reactivity, sensory-seeking behavior, and difficulties with perception.

The forms at each age level are designed for maximum flexibility in choosing and comparing among environments and raters, such as multiple caregivers.

What’s new in the SPM-2

The SPM-2 is a revision and update of the Sensory Processing Measure and Sensory Processing Measure–Preschool, two well-established instruments in wide use throughout the world. While the essential characteristics of the SPM and SPM-P remain unchanged, the SPM-2 revision includes the following improvements:

  •     An expanded age range that encompasses the lifespan, from 4 months to 87 years
  •     New and revised forms across five age levels: Infant/Toddler, Preschool, Child, Adolescent, and Adult
  •     Updated norms based on a new, nationally representative standardization sample
  •     Ability to compare sensory integration and processing function between individuals
  •     New clinical validity studies, including sensory processing disorders, autism spectrum disorders, speech–language pathologies, intellectual and developmental disorders, attention-deficit/hyperactivity disorder, and other mental health disorders
  •     Updated SPM-2 Quick Tips now included in every Preschool and Child kit

Multiple raters, integrated assessment

The SPM-2 is designed to assess clients across the life span, with unique forms in each of five age levels: Infant/Toddler, Preschool, Child, Adolescent, and Adult. At each level, forms may be used independently or jointly to provide an overview of a client’s sensory functioning across multiple environments and raters.

The 12 main forms each consist of 80 Likert-type items rated in terms of the frequency of a specific behavior (Never,Occasionally, Frequently, Always) and require about 20 to 30 minutes to complete. The 10 School Environment and Driving Environment Forms are 15 to 18 items each and take about 10 minutes to complete. The following SPM-2 forms are listed by age level:

Infant/Toddler (4 to 30 months)

Parents and caregivers rate an infant or toddler and also rate themselves on their own sensory integration and processing function.

  •     Infant Form
  •     Toddler Form
  •     Caregiver Self‑Report Form

Preschool (2 to 5 years)

Parents, caregivers, and school providers rate a preschool-aged child within the home and school environments.

  •     Home Form
  •     School Form

Child (5 to 12 years)

Parents, caregivers, and school staff rate a school-aged child within the home and school environments.

  •     Home Form
  •     School Form
  •     School Environment Forms
    •         Art (ART) Form
    •         School Bus (BUS) Form
    •         Cafeteria (CAF) Form
    •         Music (MUS) Form
    •         Physical Education (PHY) Form
    •         Recess/Playground (REC) Form

Adolescent (12 to 21 years)

Adolescents rate themselves, and parents, caregivers, and school staff rate the adolescent within the home and school environments.

  •     Home Form
  •     School Form
  •     Self‑Report Form
  •     Adolescent Driving Environment Forms

Adult (21 to 87 years)

Adults rate themselves, and spouses, partners, parents, other adult family members, or caregivers rate the adult within the home and community environments.

  •     Rater Report Form
  •     Self‑Report Form
  •     Adult Driving Environment Forms

 

The SPM‑2 forms are intended to be used together as an integrated system to provide a comprehensive overview of a client’s sensory integration and processing across home, school, caregiving, and community settings. As such, multiple forms may be used within each age level. However, each form may also be used separately.

Comprehensive and easy to understand

The SPM-2 provides information in a way that parents find useful. Scale names remain comprehensible, results are summarized visually, and interpretation is clear-cut. These features help therapists explain assessment results and engage parents in the treatment process.

The main forms include each of the following scales:

  •     Vision
  •     Hearing
  •     Touch
  •     Taste and Smell
  •     Body Awareness
  •     Balance and Motion
  •     Sensory Total
  •     Planning and Ideas
  •     Social Participation

SPM-2 Scores

SPM‑2 items employ a rating scale based on how frequently behaviours occur.

SPM‑2 raw scores for each of these scales are converted into normalised T‑scores, a type of standard score, which have a mean of 50 and a standard deviation of 10. A standard score enables an individual’s test results to be compared with a reference group, such as a normative sample of typically developing individuals. A standard score also allows for comparison of scores across scales with different characteristics, such as different numbers of items, different psychometric properties, or different constructs.

SPM‑2 T-scores are used in conjunction with an analysis of item responses to develop an interpretation of a client’s functioning.

SPM‑2 T-scores are also used to calculate the Difference (DIF) score, which allows clinicians to compare sensory functioning across any two forms. A DIF score can reveal, for example, whether a child’s behaviour at home is markedly different from their behaviour at school, or whether an adolescent’s self-perception is substantially different from a teacher or parent’s perceptions. It can also provide a starting point for examining sensory integration and processing differences between individuals; for example, between two spouses or a parent and child.

Psychometrically strong

The SPM‑2 was standardised on 3,850 typically developing participants, ranging in age from 4 months to 87 years. Separate demographically representative normative samples were collected for each age level: Infant/Toddler (N = 697), Preschool (N = 606), Child (N = 840), Adolescent (N = 985), and Adult (N = 722). Separate norms are provided for each age level, and within two age levels (Infant/Toddler and Preschool), the norms are further stratified by age to control for developmental differences between the younger and older children. A separate sample of 639 participants receiving clinical services was used to verify that the SPM‑2 differentiates between typically developing participants and those with certain clinical disorders.

Across all forms, the SPM‑2 showed strong psychometric properties. Evidence supporting reliability included median estimates of internal consistency of .86, test–retest reliability of .84, alternate-forms reliability of .78, and interrater reliability of .66. Likewise, comprehensive development procedures, concurrent administration of key measures, and findings from clinical groups yielded evidence supporting content validity, construct validity, and criterion-related validity.

Use with confidence

The SPM‑2 forms perform well on seven key indexes of reliability: internal consistency, test–retest reliability, standard error of measurement, interrater reliability, alternate-forms reliability, cross-rater concordance, and digital and paper forms equivalence. Analyses of content and structure support the scoring of separate sensory systems, praxis, and social participation scores across the SPM‑2 forms. The SPM‑2 forms correlate in expected ways with two measures of sensory integration and processing, the Sensory Profile and the Sensory Profile 2, and a measure of adaptive behavior, the ABAS‑3. Finally, the SPM‑2 forms distinguish between typically developing and clinic-referred clients, with robust and clinically meaningful effect sizes.

Principles of use

The SPM‑2 is intended to support the identification and treatment of those with sensory integration and processing difficulties. The SPM‑2 was developed by occupational therapists, but the information it provides will also be of value to other professionals, including school psychologists, clinical psychologists, social workers, counselors, physical therapists, speech–language pathologists, early intervention specialists, psychiatrists, pediatricians, and nurses.

The SPM‑2 may be used alone as a screening instrument or in conjunction with other instruments as part of a comprehensive battery. Like any instrument, however, the SPM‑2 should never be used in isolation to make diagnostic or treatment decisions. Instead, it should be used in concert with other data, such as information derived from concurrent or former assessments of sensorimotor function; additional standardised assessment instruments; developmental, school, work, or medical records; occupational profiles; direct observations; and interviews with parents, teachers, school staff members, and (when appropriate) the client.

Intervention: SPM-2 Quick Tips

After administering the SPM-2, the assessment will guide you to appropriate intervention strategies in the SPM-2 Quick Tips, which are currently available at the Preschool and Child age levels.

The SPM‑2 Quick Tips are simple, straightforward suggestions, tasks, and activities connected to each SPM‑2 item, designed to help clients manage, minimize, or cope with sensory integration and processing challenges. The SPM‑2 Quick Tips make use of Ayres Sensory Integration principles and specific sensory techniques and are meant to be implemented by various people involved in a client’s care, including parents, day care providers, teachers or other school personnel, early intervention providers, adult caregivers, occupational therapy practitioners, and mental health experts.

Every SPM‑2 Quick Tips suggestion is designed to further one of the seven objectives listed below. Using clinical reasoning, the practitioner and team choose or develop strategies that most closely align with one or more of these objectives:

  •     Improve sensorimotor functions
  •     Educate to support functioning
  •     Promote self-advocacy and empowerment
  •     Develop adaptations and accommodations
  •     Use cognitive or behavioral strategies
  •     Teach new skills, including self-regulation
  •     Address the sensory integration and sensory processing patterns of others

Like the SPM-2, the Quick Tips are available allowing you to measure qualitative and quantitative progress.

You can choose and track the frequency of use of each strategy within their own environment using the SPM-2 Quick Tips Record Form, available in printed version. The SPM-2 Quick Tips Record Form, which automatically calculates the weekly and monthly totals, can be used for research and to monitor progress.



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