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Supporting Students with Intellectual Disabilities

Principle · All principles
Evidence · 15 claims (11 for, 4 mixed) · 23 studies (10 quant-synthesis, 6 review, 5 causal, 1 associational, 1 theoretical), q1–q4 · 7 of 23 report an effect size · 8 claims rest on one study

Conditional relationship

This page owns how a teacher or designer plans ordinary class instruction for a student with an intellectual disability, most often a student who needs intermittent or limited support in a general classroom. For a student whose current response on a task (counting change, reading sight words, telling the time, joining a group activity, saying what they want in a meeting) shows they cannot yet do it alone, four moves together are expected to produce more unaided performance on that task (skill-performance, immediate-performance), more of it kept over weeks (delayed-retention), and more participation in the class and in decisions about the student's own learning (persistence, motivation-affect) than either of two common alternatives: lowering the target, or moving the student onto materials made for much younger children. The four moves are:

  1. More time and practice on the same targets, with the skill broken into steps small enough that most attempts succeed, and the student moving on only when a step is shown unaided.
  2. Feedback that names what the student did ("you counted the coins and gave the right change"), given for a real success or real effort on the step, not a general verdict on the student.
  3. Functional framing: teaching the academic skill inside a task from the student's own day (paying for lunch, the time school starts), so the same practice also builds the everyday functioning the disability affects.
  4. Full participation in the class's academic and social life (group work, games, assemblies), with the student practising the skills that participation needs (greeting, asking the teacher a question).

No claim in the wiki tests this combination, or compares it with lowered expectations or younger-age materials for students with intellectual disabilities. The evidence the wiki holds tests neighbouring parts: mastery-paced instruction against fixed pacing (general classes, apparently stronger for weaker students); mnemonic instruction for recall with students who include those with mild developmental disabilities; self-determination instruction and student-led IEP meetings with students with intellectual or learning disabilities; the kind of praise given to children after success (general population); and teacher expectation bias (a general cohort, associational). The design below is therefore the earlier page's guidance, made concrete and labelled step by step.

The relationship is conditional on four things. The level of support the student needs (intermittent, limited, extensive or pervasive) decides how much of the plan a classroom teacher carries and how much a specialist carries; it is not a ceiling on what the student can learn. The kind of target: the recorded evidence is strongest for recall of facts and vocabulary (verbal-association) and for participation in planning; it says little about understanding a principle or transfer to new tasks. Whether practice time actually exists: mastery pacing is reported to cost more student time, so a plan that promises "more practice" without finding the minutes is not this design. Whether the student's own voice is in the plan: self-determination and student-led IEP evidence concerns students choosing and stating goals, not adults choosing for them.

How the converted siblings sit beside this: Mastery Learning holds the general gate-correct-recheck relationship that the "more time and practice" move borrows; Strengths-based Approach holds how a teacher reads and names what a learner can already do, which the feedback move applies; Universal Design for Learning holds planning alternatives to demands that are not part of the goal, which is how a student with limited speech or reading gets into the same lesson; Scaffolding and Chunking hold how support and task size change. This page does not repeat their models; it says how they combine for one group of students. Least Restrictive Environment is the placement rule that sets where this instruction happens.

Default design, while the relationship is untested

The earlier page's guidance, kept as a concrete default a teacher can act on and revise. Each step is a design proposal with its evidence status beside it.

  1. Start from what the student does now, on the task itself. Before planning, observe the student try the target task (or its first step) once, unaided, in the setting where it will be used, and record what they did: which step they completed, where they stopped, what help they asked for. Do not plan from the disability label or an IQ score; the definition rests on everyday functioning as much as test scores. Untested proposal; from the earlier page's account of how the classification is made.
  2. Keep the age-appropriate target, and break it into steps. Keep the class's goal (or a simplified version of the same goal, using age-appropriate simplified materials, which specialist teachers can often help find) and write it as 4–8 observable steps, each small enough that the student will succeed on most attempts with the help available. Do not substitute materials made for much younger children. Untested as a comparison; from the earlier page. Teacher expectations that run below a student's performance predicted lower achievement up to five years later in a general cohort (Teacher expectation bias predicted Dutch secondary students' performance up to five years later, after controls for prior achievement, IQ and motivation, in one large correlational cohort study [~M]: associational, about 11,000 Dutch secondary students, not students with intellectual disabilities).
  3. Teach one step at a time, then practise it often and briefly. A labelled proposal for dose: 10–15 minutes of focused practice on the current step, 3–5 days a week, with roughly two to three times the practice opportunities classmates get on the same content, built into the class's own lesson rather than taken out of it. Move to the next step after three consecutive correct, unaided responses on two different days. Keep earlier steps alive with two or three review items at the start of each session. Untested numbers; the move rests on mastery pacing [+M] (108 controlled evaluations, college to upper elementary, positive on examinations and apparently stronger for weaker students, but at a cost in student time; not tested with students with intellectual disabilities).
  4. For facts and vocabulary, teach a memory cue. Where the step is a set of names, word meanings or facts (verbal-association), give a keyword, acrostic or letter-strategy cue the student can decode, and practise retrieving through it. Evidence: mnemonic instruction [+M] (two syntheses, one of 20 studies with 669 secondary-age youth including those with mild developmental disabilities, mostly recall of word meanings or facts; read as abstracts). Not for understanding or multi-step reasoning, where the claim's own page says benefits shrink.
  5. Name what the student did, every time it is real. After a correct step or genuine effort on it, say what the student did ("you added that one correctly", "you checked the clock before you packed up"), not who the student is ("you're so clever", "you're a hard worker"). Make sure every lesson has a step the student can succeed at, so there is something honest to name. Evidence: praise for intelligence rather than effort [+M] (fifth graders and a review of children's praise studies: ability praise made children more fragile after a later failure, while sincere process or effort praise could support motivation; not tested with students with intellectual disabilities).
  6. Set the practice inside the student's day. Choose practice tasks from routines the student lives (buying a snack and checking change, reading the menu board, starting from the time school starts when learning to read a clock), and finish each unit with the task done for real once, in its setting. Untested proposal; from the earlier page. A single recorded test of teaching in a "generic" against an "authentic content" context points the other way for reading strategies in general classes (Whether strategy instruction works better in authentic content-area tasks is untested, and the one meta-analytic comparison recorded found larger gains in strategic ability in language-arts than in content-area classes [~M]), so treat functional framing as a choice about which goal to serve, not as a known accelerator.
  7. Plan the student into the whole class, with a role. Put the student in the group work, games and assemblies the class does, with a defined part they can carry out (a step of the group task, a materials role that rotates), and teach the participation skills as targets in their own right: greeting a classmate, asking the teacher a question, taking a turn. Untested proposal; from the earlier page. Peer tutoring in mathematics is reported to work about as well whether tutees are disabled or at risk or not (Peer tutoring improves achievement [+M]: tutee ability level was not a significant moderator across 50 studies, carried here to inclusive classes).
  8. Give the student a voice in their own goals. From early adolescence, teach the student to say what they are working on and how it is going (a short weekly check: "my goal, what I did, what's next"), and before an IEP meeting teach them to introduce the people there, report progress and state a new goal, rehearsed beforehand. Evidence: student-led IEP meetings [+M] (130 secondary students randomly assigned, more time talking and leading their meetings; four high school students with moderate intellectual disability in a single-case study) and self-determination instruction [+M] (a three-year campus-randomized trial of 371 high-school students with intellectual or learning disabilities: more growth on one of two self-determination scales).
  9. Plan an arc across weeks, not one lesson. A default arc, with untested quantities: in weeks 1–2 of a new skill, the teacher models each step, practises it with the student daily using the student's own routine, and gives help as soon as an attempt stalls; in weeks 3–4, the student practises in pairs or small groups with a checklist or picture prompt for the steps, and the teacher checks in once per session; from week 5, the student does the whole task in its real setting with help only on request, and the skill moves to weekly review. If after two weeks the student is not reaching unaided success on any step, make the steps smaller or change the cue, not the target.

When a condition is not met: if no one can watch the student's attempts during practice, use a picture or checklist prompt for each step and a short unaided check at the end of the lesson, and record which step the check shows; if the student already does the target task unaided, move on and teach the next class goal rather than holding them in practice.

Fitting the design to a situation

The three facts that most change the decision:

  • What the student can do now on this task, and with how much help. A student who stops at the first step needs smaller steps and a model; one who does most steps with a prompt needs fewer prompts and the real setting. If a brief omits it, ask: what does the student do now when they try this task alone, and where do they stop?
  • The level of support needed and who provides it. Intermittent support for one routine is a classroom teacher's plan; extensive or pervasive support means a specialist, family and aide share the plan. If omitted, ask: who works with the student during the week, for how long, and who can watch their practice?
  • What the target is for. A school examination item, a daily-life routine, participation in class life and a voice in the student's own plan each need different practice and different checks. If omitted, ask: what should the student be able to do unaided, where, and by when, and what does the student want to be able to do?
If the brief says… Then change… Basis
The student is a child in primary school Keep steps short (5–10 minutes of focused practice), practise daily inside routines, name what the student did after each success, and use pictures or objects for each step Praise for intelligence rather than effort [+M] (fifth graders, general population) for the feedback; the rest untested
The student is an adolescent or young adult near transition (work, independent living) Move practice into community and workplace tasks; teach the student to set and review their own goals weekly and to lead their own planning meeting, rehearsed beforehand Self-determination instruction [+M] and student-led IEP meetings [+M] (high-school students with intellectual or learning disabilities); post-school outcomes not measured
The target is facts or vocabulary (verbal-association) Add a keyword or acrostic cue the student can decode, practise retrieving through it, and review it at spaced intervals Mnemonic instruction [+M] (includes mild developmental disabilities; recall outcomes, abstracts)
The target is understanding a principle or using a skill in a new setting Do not rely on mnemonics; teach with concrete objects and the real setting, and check with a changed task the memorised steps would not solve untested; the mnemonic claim's own page says benefits shrink for conceptual content
The target is a daily-life procedure (money, time, travel) Teach it as a task analysis of 4–8 steps in its real setting, practise until three consecutive unaided successes on two days, then fade to weekly review untested proposal; mastery pacing (Mastery learning improves outcomes [+M]) carried from general classes
One teacher, a full general class, the student needs intermittent support Build the student's steps into the class task (same activity, smaller step, picture checklist), seat a trained peer partner, and check the student's attempt first when circulating Peer tutoring improves achievement [+M] (tutee ability level not a moderator, mathematics); the rest untested
Scarce adult time (a shared aide, a specialist who visits weekly, volunteers) Give the visiting adult one job: watch one attempt at the current step, record which step was reached, and set the next step; leave a picture checklist so the student and a peer can practise in between untested proposal
Some learners join remotely, or the student works from a phone or tablet at home Send the same step and checklist home with a short video model of the step; have the student or a family member show one attempt on video or in a call each week; keep the in-class group role when the student is present untested proposal; parent-delivered intervention [+M] is evidence for children with autism only
The student has limited speech or does not read yet Give a way to respond that does not depend on speech or print (pointing, a picture or symbol board, a speech-generating device), and keep the same academic target Aided AAC systems over manual signs [+W] (a review's report, children with autism, a tendency); for the planning move see Universal Design for Learning
The student has low confidence after repeated failure, or avoids tasks Restart one step below where they failed so that the first attempts succeed, name each success specifically, and let the student choose which of two practice tasks to do first Praise for intelligence rather than effort [+M] (children after failure, general population); choice untested here
The student has trouble staying with a task during independent practice Teach the student to check and record at intervals whether they are working (a cue every few minutes, a tally card or app), alongside the step checklist Self-monitoring improves on-task behavior [+M] (single-case studies, students with or at risk for disabilities; on-task behaviour, not achievement)
Only a single session is available (a one-off workshop, a visiting class) Teach one step of one functional task, practise it three or four times with feedback naming what the student did, and end with one unaided attempt; record what it shows and do not claim retention untested proposal
The product is shown to a real audience (a class presentation, a school event, a job trial) Give the student a defined, rehearsed part with a visual script; rehearse in the real space at least twice; agree beforehand how they can ask for help during it untested proposal; from the earlier page's inclusion guidance
The brief names its own routine (an IEP goal format, a school's praise or reward system, a published curriculum, a specialist's prompt hierarchy) Keep it. Change only what the evidence says matters: one observable step per goal, feedback that names what the student did rather than the student, a practice dose the timetable actually holds, and the student stating the goal themselves untested proposal
Stakes are high (a placement decision, an accountability test, a work trial) Judge readiness on unaided attempts in the real setting, never on assisted success; record every prompt given; check the target is still the age-appropriate one, not one lowered to fit the label Teacher expectation effects [~M] (associational, general cohort); the rest untested
The plan is the student's choice of goals (self-determined learning model) Keep the student answering the model's questions and train the adult to facilitate, not answer for them; do not expect a gain over usual instruction to be shown The Self-Determined Learning Model of Instruction improves self-determination [~M] (312 high-school students; within-group gains, small non-significant difference from controls)

Eleven of the sixteen rows cite a claim, and none of those claims tests the page's combination with students with intellectual disabilities in a general class. Three rows rest on claims whose samples include students with intellectual disabilities (self-determination and student-led IEPs, mnemonics with mild developmental disabilities, the self-determined learning model); the others carry a finding from general classes, from children with autism, or from students with other disabilities, and say so, and the remote row cites its claim only for its limit. The understanding, scarce-time, single-session, real-audience and named-routine rows are untested proposals.

Observation, state and explanation

What can be observed is an attempt under stated conditions: the task and its setting, the step reached, the prompt given (record its level: a gesture, a verbal cue, a model, physical help), the time taken, and what the student did on the next attempt. "Has the skill", "is prompt-dependent", "is not motivated" and "cannot learn this" are inferred states. An attempt in the classroom shows what the student does there; it does not show what they do at the shop or the bus stop.

Response Plausible explanations Observation that could change the interpretation
Does the step in class, not in the real setting The class version left out a cue the real one needs; noise, people or time pressure in the real setting; the class prompt carried the step Watch one attempt in the real setting with no prompt; then add only the class's picture cue and compare.
Waits for a prompt before every step, even ones done before The prompt has become the cue; uncertainty about being right; the student has learned that waiting brings help Give the step with the prompt delayed by a few seconds; ask the student to show you the next step on the checklist.
Correct one day, wrong the next Not yet consolidated; a different setting or person; tiredness, medication or a change in routine Record the same step at the same time of day for a week, with the conditions noted; review at the start of each session.
Avoids the task or refuses Too large a step, so failure is likely; the task means nothing to the student; social embarrassment in front of peers Offer a step one level down, privately; offer a choice between two tasks with the same target; ask the student (with pictures if needed) what they want to be able to do.
Joins group activities but does not take part No defined role; the participation skills (turn-taking, asking) are not yet taught; peers do the work for them Give a defined, rotating role and record whether it is carried out; watch whether peers wait for the student's turn.

These rows are proposals, untested with students as diagnostics. A probe is also practice and changes the state it measures, so record each one, and keep the explanations that remain open rather than settling on the one that fits the label.

Evidence and qualifications

No claim in the wiki compares this combination of moves with lowered expectations or younger-age materials for students with intellectual disabilities. The claims below test neighbouring parts.

  • Mastery learning improves outcomes [+M]: a meta-analysis of 108 controlled evaluations at college, high-school and upper-elementary levels reports positive effects of mastery programmes on examination performance (general-achievement), apparently stronger for the weaker students in a class, with more student time on instructional tasks and, in self-paced college programmes, often reduced completion. Read as an abstract; no pooled effect size. It supports holding the step constant and letting time vary; it was not run with students with intellectual disabilities.
  • Mnemonic instruction improves recall for students with disabilities [+M]: a synthesis of studies with students with learning and behaviour problems (mean effect size 1.62) and a systematic review of 20 studies with 669 secondary-age youth with learning disabilities, emotional and behavioural disorders or mild developmental disabilities, mostly on recall of word meanings or facts. Both read as abstracts. It supports cue-based teaching of facts and vocabulary; the claim's own page says benefits shrink for conceptual or multi-step content and that durability is under-researched. The marker is held at M, below the claim's cap, because the populations are mostly not students with intellectual disabilities.
  • Self-determination skills instruction for students with disabilities increases self-determination on some measures but not others [+M]: a meta-analysis of school-based self-determination interventions for students with disabilities (abstract, no pooled effect size, rigour flagged as limited) and a three-year campus-randomized trial of 371 high-school students with intellectual or learning disabilities, where the intervention group grew more on one self-determination scale and no more on the other. Self-report outcomes; no post-school outcomes measured.
  • The Self-Directed IEP increases student participation [+M]: 130 secondary students randomly assigned to the curriculum talked, started and led their IEP meetings more; four high school students with moderate intellectual disability increased participation in a multiple-baseline study. The outcome is participation in the meeting, not achievement; no standardised effect size.
  • Praise for intelligence, rather than for effort, after success undermines children's motivation and performance after a later failure [+M]: experiments with fifth graders and a narrative review of children's praise studies; ability praise made children prefer performance goals and do worse after a later failure than effort praise, with effects moderated by age and gender. It supports naming what the student did rather than who they are. General population; no learning outcome beyond the problem set.
  • Teacher expectation bias predicted Dutch secondary students' performance up to five years later, after controls for prior achievement, IQ and motivation, in one large correlational cohort study [~M]: in about 11,000 Dutch secondary students followed for five years, the part of a teacher's track recommendation not explained by prior achievement, IQ and motivation predicted later performance, partly fading over two years and then stable. Associational, and the effect was larger for students with higher prior achievement, so it does not establish the size of an expectation effect for students with intellectual disabilities. It is the nearest evidence for the warning against setting expectations too low.

The limiting claim. The Self-Determined Learning Model of Instruction improves self-determination [~M]: in a cluster-randomized trial with 312 high school students with intellectual or learning disabilities across 20 districts, students in the model gained in self-determination from baseline, but the difference from a delayed-treatment control group at the final time point was small (d = 0.23 on one scale) and not significant. A well-motivated model for students with intellectual disabilities did not outperform usual instruction in its one controlled test, which is a reason to keep every untested step above labelled as a proposal.

Learners, settings, outcomes and comparisons differ across these claims (general classes, students with learning or behaviour difficulties, high-school students in special education, fifth graders, a national cohort), so do not rank them by effect label. None measures delayed retention of an academic skill taught this way against another way to students with intellectual disabilities.

The evidence by question

Further evidence, not yet read against this model

The earlier page cited no claim pages. These claims bear on single rows of the situation table and have not been read against the whole model.

Objective and learner-valued goal

The designer's objective is usually a stated capability: a numeracy or literacy step, a daily-life routine done unaided, participation in class life, measured in a stated setting at a stated time. Elicit separately what the student wants, using pictures, choices or the family's help where speech or reading is limited: to buy their own lunch, to be in the same group as a friend, to have a job, to not be singled out. Agreement and divergence are both observations. A student who values being with friends may resist practice that takes them out of the group; one who wants a job may work hard at a money-handling routine and little at worksheet arithmetic on the same skill.

For example, a 16-year-old student with an intellectual disability may want to get to their part-time placement on the bus alone, while the designer's objective this term is reading times and amounts. Practice on bus timetables and fares serves both; a worksheet on reading clocks serves only the objective. Record the student's own goal in their plan in their words, and check progress on it as well as on the objective, so success on worksheet items is not read as the capability the student wanted.

What would revise this model?

The expectation should weaken if comparisons with students with intellectual disabilities show that age-appropriate targets broken into steps do no better than simplified younger-age materials on unaided performance in the real setting, or that gains at the end of a unit disappear within weeks. If functional framing slows academic learning without improving daily-life performance, it is a choice of goal and not an accelerator. If full participation in class activities does not change participation skills or peer relationships compared with partial participation, that move is a value commitment and not an evidence-based one (it may still be right for other reasons). If the student-voice moves do not outperform usual instruction, as the one trial of the self-determined learning model suggests, they should be kept for the student's right to a say, not for a predicted gain.

Assisted success in practice, unaided performance in class, performance in the real setting, retention over weeks, participation and self-determination are separate claims. The present evidence establishes no practice dose, no step size and no criterion for moving on for students with intellectual disabilities.

Claims

Examples

Key Sources

  • American Association on Mental Retardation. (2002). Mental retardation: Definition, classification, and systems of supports (10th ed.).
  • Schalock, R. L., & Luckasson, R. (2004). American Association on Mental Retardation's definition, classification, and system of supports and its relation to international trends and issues in the field of intellectual disabilities. Journal of Policy and Practice in Intellectual Disabilities, 1(3-4), 136-146. doi:10.1111/j.1741-1130.2004.04028.x
  • Bogdan, R. (2006). Setting appropriate expectations for students with disabilities. In Special education perspectives.
  • Snell, M. E., et al. (2005). Instruction of students with severe disabilities (6th ed.). Pearson.
  • Arduini-Van Hoose, N. (2020). Intelligence. In Educational psychology. Retrieved from https://edpsych.pressbooks.sunycreate.cloud. CC BY-NC-SA 4.0.
Page metadata
Field Value
type principle
id supporting-students-with-intellectual-disabilities
title Supporting Students with Intellectual Disabilities
description For a student with an intellectual disability who is not yet doing an age-appropriate academic or daily-life task, teaching it in small steps with more practice, specific feedback on what the student did, functional everyday contexts and full participation in the class is expected to raise performance and participation more than lowered expectations or separate, younger-age materials, though no claim in the wiki tests this combination; neighbouring claims test mastery pacing, mnemonics, self-determination instruction, student-led IEPs and praise.
status review
canonical True
generated by claude/unspecified on 2026-10-05
trust unverified — no one has confirmed this page's content

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