Assess and Differentiate¶

Strategy · All strategies
Evidence · 5 claims (4 for, 1 mixed) · 11 studies (4 causal, 3 quant-synthesis, 2 review, 1 qualitative, 1 theoretical), q2–q4 · 2 of 11 report an effect size · 1 claim rests on one study

Description¶

Assess and Differentiate is a strategy in which teachers gather evidence not only of students' content understanding but also of their academic language skills — vocabulary, syntax, and discourse functions — and use that evidence to adjust instruction. Differentiation can target the process (how students work and what scaffolds they receive), the product (how they demonstrate learning), or the content itself, with the goal of keeping all learners within a productive zone of challenge.

Design Implications¶

Assessment only improves learning when the results actually change subsequent instruction; feedback and assessment data are most effective when they operate at the task and process levels rather than as global judgments Feedback is most effective when directed at the task and process levels. [+S]. Separating language proficiency from content knowledge prevents teachers from misreading limited English proficiency as limited understanding, and allows scaffolds to be targeted to the actual bottleneck Contingent scaffolding, calibrated to observed learner needs, improves learning outcomes. [+M].

Context¶

Requirements¶

• Assessment tools that distinguish content mastery from language proficiency (e.g., separate rubrics, language objectives alongside content objectives)
• Formative assessment routines that produce usable evidence during instruction, not only after it (Formative Assessment, Check-ins)
• A repertoire of instructional alternatives — varied texts, grouping structures, output modes — so differentiation is possible when data reveal a need
• Reassessment to verify that differentiated support actually closed the gap (Reassessment)

Constraints¶

• Differentiation without accurate assessment becomes guesswork and can mis-scaffold, either over-supporting competent learners or under-supporting struggling ones Contingent scaffolding, calibrated to observed learner needs, improves learning outcomes. [-M]
• Differentiated tasks that reduce cognitive demand too far for struggling learners lower the ceiling of the curriculum rather than raising support Reducing task difficulty for novices can remove the productive struggle needed for learning. [~M]
• Time-intensive: without streamlined routines (shared rubrics, quick checks), teachers cannot sustain assessment of both content and language across a full class
• Over-differentiation can fragment the classroom community and stigmatize lower-proficiency groups if grouping is visible and static

Implementation Variability¶

• Process differentiation: same content, varied scaffolds — sentence frames, glossaries, Advance Organizers, or structured Collaboration
• Product differentiation: same objectives, varied output — oral presentation, written report, diagram, or demonstration
• Tiered tasks: same essential concept at different levels of abstraction or language demand
• Flexible grouping: groups re-formed based on current evidence rather than fixed proficiency labels

Target Learners¶

• Multilingual learners and English language learners, for whom content and language demands must be diagnosed separately
• Students with uneven profiles (strong content knowledge, weak academic language, or the reverse), who are systematically mis-served by uniform instruction
• All students benefit when assessment informs pacing and scaffold removal Fading support as competence grows promotes transfer of responsibility. [+M]

Target Learning Goals¶

• Content objectives: ensuring conceptual understanding is not blocked by language demand
• Academic language objectives: vocabulary, sentence structures, and discourse functions of the discipline
• Self-regulation: involving students in interpreting their own assessment data builds ownership of growth Self-monitoring improves self-regulated learning. [+M]

Instructions¶

1. Set dual objectives. For each lesson, define the content objective and the language objective (e.g., "students will explain causes using causal connectives").
2. Assess both dimensions. Use quick diagnostic tools — entrance slips, sorting tasks, oral checks — that reveal whether errors stem from content gaps or language gaps (Formative Assessment, Assessment).
3. Analyze the evidence. Sort students by need: who needs content reteaching, who needs language scaffolds, who needs both, who needs extension.
4. Differentiate the process or product. Assign targeted scaffolds — sentence frames, Analogies, tiered texts, or choice of output mode — while keeping the essential learning goal constant.
5. Reassess and fade. Check whether the scaffold closed the gap, then remove it as proficiency grows so support does not become permanent (Reassessment).

Related Strategies¶

• Scaffold Language Through Content — the instructional counterpart: once assessment reveals language needs, scaffolds are delivered within content teaching
• Use Formative Assessment Probes — specific elicitation routines that supply the evidence this strategy depends on
• Gather formative evidence through embedded, discipline-specific tasks rather than separate tests or language assessments

Examples¶

• WIDA-supported instruction (U.S.) — Teachers use WIDA ACCESS proficiency scores alongside classroom formative assessment to differentiate tiered tasks and language supports (https://wida.wisc.edu).
• Reading workshop with conferring — Teachers confer one-on-one, assess a student's oral retell and use of academic vocabulary, then assign differentiated texts and sentence starters for the next cycle.
• Tiered science labs — All students run the same investigation; groups receive different lab-report templates (full frames, partial frames, open response) based on a quick pre-assessment of writing samples.

Key Sources¶

• Black, P., & Wiliam, D. (1998). Assessment and classroom learning. Assessment in Education: Principles, Policy & Practice, 5(1), 7–74. doi:10.1080/0969595980050102
• Tomlinson, C. A. (2014). The differentiated classroom: Responding to the needs of all learners (2nd ed.). ASCD.
• Walqui, A. (2006). Scaffolding instruction for English language learners: A conceptual framework. International Journal of Bilingual Education and Bilingualism, 9(2), 159–180. doi:10.1080/13670050608668639
• Hattie, J., & Timperley, H. (2007). The power of feedback. Review of Educational Research, 77(1), 81–112. doi:10.3102/003465430298487