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Alexander Elder: Source-Scoped Study Note
Exit decisions and study questions. An editorial study assignment with explicit source limits, not a hidden rulebook.
What the source can support
The author's book page describes The New Sell and Sell Short and an included study guide. This source supports a reading identity, not a new attendance or account-performance claim.
Original exercise for this learning question
Create two fictional cases where the same entry story has different later information. Explain which original fact changed and which account response is unobserved. Keep the source question separate from any rule you introduce yourself.
Work without a live account. Record the original reference, the observation boundary and the first answer before examining a later result. When a definition is unclear, mark the uncertainty; do not supply a favourable fact from hindsight or attribute your own invented parameter to the author.
The distinction to explain
Distinguish a study-guide answer from a verified fill or an exact reproduction of an author's complete current system.
Artifact and transfer review
Original reading reference, initial answer, changed-information table and bounded correction.
Retain the baseline and correction as separate artifacts. For a fresh task, explain what was supplied, what you assumed and what remains unobserved. This review concerns your understanding of an evidence boundary, not the original trader's current performance or a reproduction of a private system.
Source Identity
Original operator, author or publisher reference
The scope above identifies whether the reference is an authored resource, provider interpretation, institutional description or catalogue identity. It does not imply paid access, a new account audit or a complete modern method.
Public notes versus private courses / Observation before hindsight / Study library
Learning Concepts and Fresh Cases
A multi-timeframe explanation should state how observations are aggregated. A longer interval can summarise information while a shorter one shows detail that was averaged away. Neither interval inherently proves the other is correct. An indicator name does not define its inputs, settings or the lesson's decision policy; those need the actual source.
Use a fictional sequence and write one broad-context description and one short-interval description. Explain why they can disagree without either being fabricated. Keep an observation table with interval, data available and the question being asked. Do not attach an account action merely because a familiar indicator label appears.
The older risk-percentage vocabulary is retained as a reading lead, not a verified current instruction or universal rule. Ask the original text to resolve its purpose and scope. Your independent artifact should distinguish a source-defined concept from a parameter invented for an exercise, with missing assumptions explicitly listed.
Retained Vocabulary Reading Trail
Triple Screen system, MACD histogram, Force Index, three-timeframe analysis, 2% rule, 6% rule, trading psychology.
This vocabulary preserves the earlier topic coverage. It is a list of research leads, not a verified private rulebook. Any numerical setting or author-specific parameter needs its original definition and scope before being used or attributed.