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Technical Writing NISS – ASA Workshop Washington DC 2 – 5 August 2009
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Writing for a Technical Audience Purpose: To Inform Aspects Structure Choice of Material Organization of Ideas Depth of Detail Style Grammatical Structure Word Choice Caveat: Don’t Lose the Reader!
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Review Criteria Technical Content Correctness Significance Innovation Interest Timeliness Writing Succinctness Accessibility Elegance Readability Style Polish
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A Technical Writer Is NOT: J.K. Rowling Kid at summer camp Nora Roberts Peter Mayle Ken Follett Dan Brown or Iain Pears Alexandre Dumas Thomas Hardy or Charles Dickens Emily Bronte D.H. Lawrence Cervantes Artur Perez-Reverte or Franz Kafka Leo Tolstoy
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A Technical Audience is NOT: On a QUEST Challenge to participate Obstacles to overcome, each more difficult than the one before Prize for success Penalty for failure
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A Technical Audience is NOT: On a QUEST Challenge to participate Obstacles to overcome, each more difficult than the one before Prize for success Penalty for failure Keywords Title Abstract Introduction Body of article Section by section Result Theorem Discussion/Conclusion
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Starting Point Decide Purpose Identify Major Results Determine Audience
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Starting Point Purpose Breakthrough (ground-breaking) – new formulation to solve old or new open problem Progress / development – often new methodology or extension to higher dimension, a new context, or relaxation of assumptions Comparison of existing methods with/without modification Reprise – new more elegant proof of known result yielding greater insight, often entirely new technical approach Illustration – application to real problem/ data of importance, typical of other applications Scientific result – not primarily statistical innovation Summary – review of state-of-the-art
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Structure: Logical Introduction Problem Statement in Technical Form Sequence of Lemmas and Theorems Primary Result Example / Simulation / Proof of Concept Discussion or Conclusions Simple Case / Progression to General Case Primary Result Application Example / Simulation / Data Analysis
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Structure: Science-driven Introduction Problem Statement in Scientific Context Discussion or Conclusions Progressive Development of Model or Analysis Primary Result Implementation for Application (Primary Result) Statistical Formulation of Problem Statement Simple Case / Progression to General Case Primary Result Problem Statement in Scientific Context with Implementation Primary Result Statistical Formulation of Problem Statement
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Structure: Content Selectivity Less than everything Specific Cases: Simple to General Theorems, Corollaries, Lemmas Methods, Analytic Techniques Examples, Applications Simulations Alternatives Discussion Appendix Technical report
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Structure: Content Importance Most powerful Most broadly usable Most frequently applicable Clarity Most interpretable without extensive contextual information or explanation Coherence Consistently used throughout paper Uniqueness *
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Structure: Signposts Goal: Provide reader with a map to the article “You are here” and “What comes next” Introduction Outline for article, section by section Section - preamble or paragraph Outline for section Overview of sequence of lemmas, theorems Overview of model development, inferential method construction Overview of data, analytic sequence
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Structure: Signposts Extensive proof or complex algorithm Paragraph (as preamble) outlining proof or construction Sentence (midway) summarizing what has been proved, what comes next Outline for subsection Introductory paragraph Paragraph Opening sentence stating purpose
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Pre-First Draft Written “Outline” Purpose Problem Statement Signposts To subsection level Draft Abstract Diagram Example – with application § 1.0 § 1.1 § 1.2 § 1.A § 2.0 § 2.1 § 2.A § 3.0 § 3.1 § 3.A § 1.0 § 1.1 § 1.2 § 2.0 § 3.0 § A.0 § A.1 § A.2 § A.3
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Choice of Material Space allocation – by importance Of result and its consequences For making reasoning transparent Critical steps and keys to solution Proofs “Substitute (#.#) into (#.##) and apply Green’s theorem” Construction / derivation of methodology “Noting that (#.#) can be rewritten as a mixed model with correlated error structure, partitioning by... gives” Application – orderly analysis Principle finding through consequences
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Choice of Material Space allocation – by importance Critical information Requisite space required for clarity OTHERWISE: Skip the obvious and summarize “By straightforward but tedious algebra... “ Following the proof by ***** in (reference) NEVER by chronology of research process NEVER by pain and suffering incurred to obtain result
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Introduction Goals Convey Importance, Impact of research results Attract readers Content General Context What is the problem? Why care about the work? Technical Context What was already known? What was the gap (before this paper)? Contribution of this paper What is the approach to (nature of) the solution? Outline of paper – “Signposts” References within text Natural choices, signal papers – not entire literature review Citation without interrupting flow of text
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Style: Transparent, Clear, Precise, Parsimonious, Concise, Spare, Lean, Direct Overall Impression “Careful writing reflects careful work” Precise word usage – Standard English 1:1 Word:Concept Precise notation usage Definition before first use of notation or symbol 1:1 Notation:Definition Numbered for internal referencing throughout text (as appropriate) Repeated (brief) definition for delayed use or for modification (e.g., dropping subscript) Grammar! Spell and grammar check Useful Neither Necessary nor Sufficient References: Strunk & White
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Style: Transparent, Clear, Precise, Parsimonious, Concise, Spare, Lean, Direct Effective Writing Verbs ACTIVE not passive when possible Correct verb tenses Data Exist – Present (NOTE: Data ARE - plural) Papers Exist – Present Experiments End – Past Theorems Hold - Present Antecedents and References 1:1 or 1: many or many : 1 or many : many? “the sequences induce graphs” Singular rather than plural “each sequence induces a graph”
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Style: Transparent, Clear, Precise, Parsimonious, Concise, Spare, Lean, Direct Effective Writing Clear Sentences CONSISTENT voice – either 1 st person (“I” or “we”) or 3 rd person USE PARALLEL structure for series Series of sentences Series within sentences – clauses, verbs, objects DISENTANGLE complex sentences Reference numbering Equations Figures – all types Definitions – if referred to later, especially for section-long gap
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Style: Transparent, Clear, Precise, Parsimonious, Concise, Spare, Lean, Direct “Do Not Litter” DELETE: Wasted sentences Vague, overly general Only approximately (not precisely) true Unnecessarily repetitive “Mixed models are important to many areas of application.” DELETE: Wasted phrases and words “It is easy to see that...” “In order to...” (“To” almost always suffices) Most adjectives, especially judgmental, emotional REPLACE: Non-standard English Personal words... You are not [yet] Tukey Cute / funny / trendy / jargon /TXT expressions
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Abstract: Illustration This article proposes...[a general semiparametric model...]... This model provides... [tests]... This contrasts with previous approaches based on... We demonstrate that conditional likelihood is robust to... Its main advantages are that... A case study of...[spike data]... illustrates that this method...
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Principles to Write by Remember your goal: to inform Know your purpose Know your audience Use “signposts” at every level Give position, space and detail according to importance
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Practices for Clear Writing Define symbols, terms, acronyms at first use (reference # if appropriate) Avoid passive voice Prefer specific/singular to general/plural Make internal references clear Choose best presentation (text, table, graph, figure) Write clear (self-explanatory) captions Find precise words; use words precisely BE WILLING TO REVISE SEVERAL TIMES
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