Feedback Through Different Media¶

Strategy · All strategies
Evidence · 2 claims (1 for, 1 mixed) · 3 studies (2 quant-synthesis, 1 causal), q3–q4 · 2 of 3 report an effect size · 1 claim rests on one study

Description¶

Feedback can be delivered through text, audio, video, screencast, or face-to-face channels, and the choice of medium shapes how learners perceive and use it. Video and audio feedback carry paralinguistic cues — tone of voice, pacing, facial expression — that soften critique and convey instructor presence, whereas text is faster to scan, easier to reference, and better suited to precise, itemized corrections.

Design Implications¶

The medium is not neutral: richer media increase perceived instructor presence and student satisfaction, but media that combine redundant visual and verbal channels can overload working memory if poorly designed Media combinations affect recall and retention. [~M]. Whatever the channel, feedback content matters more than delivery format — feedback targeting the task and the process outperforms feedback about the self Feedback is most effective at task and process levels. [+S]. Video and audio feedback are typically faster for instructors to produce than equivalent written comments, though harder for students to skim or search.

Context¶

Requirements¶

• A clear purpose for each feedback episode (correction, elaboration, encouragement) matched to an appropriate medium
• For video/screencast: a way to display the learner's work while commenting (e.g., screen annotation tools)
• Consistency of delivery so learners know where and how to find feedback
• Attention to multimedia design principles — narration aligned with relevant visuals, no redundant on-screen text duplicating narration (Clark & Mayer, 2016) [+M]

Constraints¶

• Video and audio feedback cannot be skimmed or searched the way text can; learners seeking a specific correction must scrub through recordings [-M]
• Rich media can create a social presence illusion — students report liking video feedback more, but learning gains are often equivalent to well-written text [~M]
• Poorly designed multimedia (narration reading verbatim on-screen text) actively harms learning Media combinations affect recall and retention. [-M]
• Audio/video feedback raises accessibility issues for learners with hearing impairments or those in noise-constrained environments; transcripts or captions are needed

Implementation Variability¶

• Screencast feedback: instructor annotates the learner's document or code on screen while narrating — strongest for procedural and written work
• Audio-over-document: voice comments embedded at specific points, combining text's precision with speech's tone
• Video talking-head: best for relational, motivational feedback or whole-assignment summaries
• Structured text: remains the medium of choice for itemized, criterion-referenced corrections learners need to revisit

Target Learners¶

• Distance and online learners, for whom media richness compensates for reduced instructor presence [~M]
• Anxious or low-efficacy students, who may read harsh intent into terse written comments; spoken tone mitigates this [~W]
• Students revising written work benefit from screencast feedback pointing at specific passages [~M]

Target Learning Goals¶

• Revision and improvement of written, code, or design artifacts
• Self-regulated learning: process-level feedback delivered conversationally can prompt reflection Feedback is most effective at task and process levels. [+S]
• Affective goals: persistence and motivation in online courses

Instructions¶

1. Decide the feedback's primary function — correction, elaboration, or motivation — and let that drive the medium choice; keep content aligned to task and process levels Feedback is most effective at task and process levels. [+S]
2. For work requiring precise revision, use screencast or audio-over-document so comments anchor to specific locations
3. Apply multimedia design principles: narrate over the learner's actual work rather than reading slides or duplicating text on screen (Clark & Mayer, 2016)
4. Keep video/audio feedback short (3–7 minutes); long recordings are rarely re-watched
5. Pair rich-media feedback with a written summary of required actions so learners have a skimmable record; make feedback actionable (Action-Oriented Feedback)
6. Provide captions or transcripts to maintain accessibility

Related Strategies¶

• Action-Oriented Feedback — the content standard any feedback medium should meet
• Check-Ins — brief media-rich touchpoints that sustain instructor presence between major feedback episodes

Examples¶

• Screencast feedback in writing courses: instructors at many universities use tools such as Turnitin Feedback Studio or ScreenPal to record narrated, annotated walkthroughs of student essays, pointing at specific sentences while explaining revisions.
• Audio comments in LMS grading: Canvas and SpeedGrader support embedded audio comments, letting instructors deliver tone-rich feedback faster than typing.
• Video feedback in MOOCs: Coursera peer-review workflows pair rubric scores with short instructor videos explaining common errors across the cohort.

Key Sources¶

• Hattie, J., & Timperley, H. (2007). The power of feedback. Review of Educational Research, 77(1), 81–112. doi:10.3102/003465430298487
• van der Kleij, F. M., Feskens, R. C. W., & Eggen, T. J. H. M. (2015). Effects of feedback in a computer-based learning environment on students' learning outcomes: A meta-analysis. Review of Educational Research, 85(4), 475–511. doi:10.3102/0034654314564881
• Clark, R. C., & Mayer, R. E. (2016). E-Learning and the Science of Instruction (4th ed.). Wiley. doi:10.1002/9781119239086
• Henderson, M., Ryan, T., & Boud, D. (2019). Learning to listen: Exploring students' engagement with audio feedback. Assessment & Evaluation in Higher Education, 44(8), 1259–1271.