IEP data collection and measurement
Every goal names a way to measure it, and that choice decides what you collect every week. Trial by trial, frequency, duration, latency, rubric scores, task analysis: each answers a different question, and the wrong one gives you numbers that say nothing about the skill.
These guides help you match the method to the goal, set up a data sheet a busy classroom can keep up with, and check that two adults scoring the same session would get the same result. They link to the printable data sheets and the measurement pages behind them.
Start here
- IEP data collection: methods, sheets and schedules that hold up
How to collect IEP data: match each goal to one of 11 measurement methods, use the right data sheet, and keep a weekly schedule a 12-student caseload can run.
How-to guides
- Collecting data on several students during group instruction
Collect IEP data on 3 to 6 students in one group: plan turns, use one group data sheet, rotate focus students and keep each goal's measure intact.
- Generalization data across settings
How to collect generalization data for an IEP goal: pick settings, people and materials, probe without teaching, and graph each setting as its own line.
- How to build a scoring rubric for an IEP goal
Build a scoring rubric for an IEP goal: pick 3 to 5 criteria, write observable score levels, test it with a second scorer and track totals on a data sheet.
- How to choose a data collection method for an IEP goal
Choose the data collection method for an IEP goal from its verb: a decision tree to trials, frequency, duration, latency, interval, rubric or task analysis.
- How to collect IEP data while teaching
How to collect IEP data while you teach: plan 2 or 3 goals per lesson, prep the sheet, score probes not every trial, and do a 2-minute catch-up afterward.
- How to take trial-by-trial data during instruction
Take trial-by-trial data while you teach: define one trial, code each response with its prompt level, keep the count fixed and sum up the session in one number.
- Interobserver agreement for IEP data
How to calculate interobserver agreement for IEP data: total count, exact count, interval-by-interval, trial-by-trial and duration formulas, worked through.
- Maintenance probes after mastery
How to collect maintenance data after an IEP goal is mastered: a thinning probe schedule, a keep-or-reteach rule, a worked example and the mistakes to avoid.
- Setting up an IEP data binder
Set up an IEP data binder: the tab layout, a one-page student summary, data sheets by goal, a weekly graphing habit and a tracker for every due date.
Examples
- Latency recording examples for task initiation and transitions
20 latency recording examples for task initiation, transitions and directions, each with the cue that starts the timer, the response that stops it and data.
- Prompt hierarchy examples for IEP data
24 prompt hierarchy examples for IEP goals and data sheets, from requesting to daily living, each with prompt codes, a fading plan and what makes it work.
- Task analysis examples for life skills goals
20 task analysis examples for life skills IEP goals, each with steps, baseline, criterion and measurement, plus a filled-in data sheet and probe schedule.
Comparisons
- Cold probe data vs trial-by-trial data
Cold probe data vs trial-by-trial data side by side: how each is collected, what it shows, when to use each for IEP goals, and three therapy cases.
- Digital vs paper IEP data collection
Digital vs paper IEP data collection compared: speed, graphing, privacy, cost and failure points, with three classroom scenarios and one question to decide.
- Frequency vs duration recording: which one fits the behavior
Frequency recording counts how often a behavior happens; duration recording times how long it lasts. A comparison table, three classroom cases, a deciding test.
- Partial interval, whole interval and momentary time sampling compared
Partial interval, whole interval and momentary time sampling compared: how each is scored, which way each one errs, and how to pick one for a behavior goal.
- Percent accuracy vs percent of opportunities: what the denominator means
Percent accuracy counts correct items out of items given; percent of opportunities counts skill use out of real chances. A table, scenarios, one deciding test.
- Task analysis vs chaining: forward, backward and total task
Task analysis lists the steps of a routine; chaining is how you teach them. Compare forward, backward and total task chaining, with scoring and goal wording.
Templates
- IEP goal tracking sheets: free printable trackers by goal type
Free printable IEP goal tracking sheets by goal type, with a fill-in tracker, a completed example and what reviewers and parents look for.
- Task analysis for brushing teeth (printable steps)
A printable toothbrushing task analysis with a 12-step fill-in sheet, a scored example from a life skills class, and notes on sensory barriers and goal wording.
- Task analysis for washing hands (printable steps)
A fill-in handwashing task analysis in 6, 10 and 14 step versions, a scored two-week example, prompt codes and how to turn the steps into an IEP goal.
IEP Atlas Pro
Turn your goals into progress reports
Pro tracks every goal on your caseload and drafts the report for you. Free for 14 days.
Count trials, prompts, and minutes live in the session; the graph and trend line draw themselves; progress reports are drafted from your data.