把一条学习原理，连到你能改的那一处设计。

Worked examples followed by fading

Let novices study accurate solution processes, then progressively remove steps and shift to independent solving.

Recommendation

A strong candidate for novices when paired with active processing, fading, and independent checks.

Mechanism

Examples reduce unproductive means-ends search and direct attention toward solution structure; fading restores retrieval and generation demands as knowledge grows.

Applicable contexts and prerequisites

Learner Stages

• upper-primary
• secondary
• adult

Task Types

• structured procedure
• mathematics
• programming
• technical skill

Contexts

• initial instruction
• guided practice

Lifespan Stages

• cross-lifespan

• Accurate example aligned to the target
• Prompts or comparison that require processing
• A plan for subsequent independent practice

Constraints and risks

• Prior knowledge moderates benefit
• Test independent and transfer performance

• Passive copying
• Redundancy and expertise reversal
• Examples that omit expert decision points

Observable evidence

• Indicator

  Independent solution structure and reduced assistance

  Measure

  Explanation of decisions, error pattern, independent solution, and transfer

  Timing

  After example study and after fading

  Caveat

  Correct imitation of the shown procedure is a weak transfer measure

Evidence

strong

Meta-analytic and evidence-rated practice-guide support for novice structured learning, with expertise and design moderators.

Confidence

high

Directness

direct-intervention

Generalizability

Strongest in mathematics and well-structured tasks; less certain in open-ended domains.