Check whether you’ve moved past the novice stage before continuing with examples

Periodically test whether you can solve problems from scratch — if you can, examples are now slowing you down.

Why it works

The expertise reversal effect is well established in CLT: instructional supports that help novices actively impede advanced learners, because the schemas the supports were designed to build now exist and the supports add redundant information that must be processed rather than ignored. A learner who has acquired relevant schemas gains more from solving problems independently than from studying more examples, because independent solving now builds the additional fluency and flexibility that examples no longer provide.

How to do it

1. Attempt to solve 3–5 problems of the type you’ve been studying examples for, without any support.
2. If you can solve them fluently and correctly, you have crossed the expertise threshold for this material.
3. Shift from example study to independent problem-solving, distributed practice, or deliberate stretch problems.
4. Return to examples only when you encounter a genuinely new problem type.

Evidence

The expertise reversal effect is among the more important and underappreciated findings in CLT. Kalyuga and colleagues have repeatedly demonstrated that formats effective for novices become ineffective or harmful as expertise grows. (rct)

Expertise is domain-specific; a learner may be a novice in one sub-area and an expert in another, requiring different support levels for different aspects of the same task.

Sources

• Kalyuga et al. (2003), The expertise reversal effect, Educational Psychologist

Common mistake

Continuing to study examples long after independent problem-solving would be more efficient — either from habit, comfort, or misinterpreting fluent example-reading as productive learning.