Transcript Writing research papers

Writing research papers
Prof D K Subramanian
Paper writing
• Forces us to be clear, focused
• Crystallises what we don’t understand
• Opens the way to dialogue with others: reality
check, critique, and collaboration
• Writing the paper is how you develop the
idea in the first place- detailing the idea to
experiments, designs, modelling, results,
discussions , comparisons etc.
• Just an idea is not enough to write a paper.
• Develop the idea into a concept,
• Implementation and experimentation are
needed
• Conduct analysis – modeling, algorithms,
solution techniques – .
• Establish performance measures
• Conduct experiments.
• Measure performance
• Design experiments properly using standard
procedures.
• Compare with existing methods using
standard measures.
• Interpret results from different angles.
• Do all the above before writing a paper.
Questions
• When to write? When you found some new
methods and taken it tocompletion. Or you
finished your experiments and it promises
some useful/ improved results and compares
well orbetter than existing methods
• How to write? In stages, top down approach
• What should it contain?
Questions
• Which journal to send the paper? Look at
different journals and identify one that fits
your work.
characteristics
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Whom do you address the paper?
Clarity
Completeness
Correctness
Interesting,
ease of understanding
Characteristics
• Ease of reading- language – simple,
unambigous, sentences, connected paras,
sections, titles
• Good abstracts, introductions, detailing,
discussions
• Avoid copy and paste strictly – plagiarism is
viewed seriously. Quotes should be properly
built and referenced and should be short.
Conveying the idea
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Here is a problem
It’s an interesting problem
It’s an unsolved problem
Here is my idea
My idea works (details, data)
Limitations, advantages, potentials, etc
Here’s how my idea compares to other
people’s approaches
• New work potentials.
structure
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Abstract
Introduction
The problem
Related work-literature survey (three views)
My idea
The details - design, analysis, experiments,
algorithms
• Comparisons and results
• discussions
abstact
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1.State the problem
2. Say why it’s an interesting problem
3. Say what your solution achieves
4. Say what follows from your solution and
analysis/ comparisons
Introduction
• Writing an introduction
Make it a short, complete writeup.
• Describe the importance (significance) of the study - why was this
worth doing in the first place? Provide a broad context.
• Defend the model - why did you use this particular concept or
system? What are its advantages? You might comment on its
suitability from a theoretical point of view as well as indicate
practical reasons for using it.
• Provide a rationale. State your specific hypothesis(es) or
objective(s), and describe the reasoning that led you to select them.
• Very briefy describe the experimental design and how it
accomplished the stated objectives.
contributions
• Write the list of contributions first
• The list of contributions drives the entire
paper:
• the paper substantiates the claims you have
made
Substance
• Never say, "No one has ever looked at this, so I
did...
• " Never say, "this is interesting“
• Never talk at the level of methods in your
introduction (e.g., variables, measures,
factors)
• Do not write papers for academics/peers.- it is
a difficult process – how much to introduce
the topic- to what depth?
Observations
• Introductions are the hardest to write:
inverted triangle model: funnel
• Your study should be totally motivated from
your introduction
• Avoid using the expression, "Research has
found" or "studies have shown" (if you delete
this, the sentence sounds much better)
Observations
• It is a fallacy that you should leave some
obvious things wrong or incomplete in the
paper so as to give the reviewer/reader
something to criticize
• Most people accept or reject a paper in the
first 5 pages and then look for evidence in a
confirmatory manner
• Use active voice!
• Edit! Edit! Edit! (e.g., cut all phrases such as,
"in order to"; cut all boilerplate sentences
• Remember that your research paper should
be based on a number of reliable materials
which will support your argument.
• Sometimes it helps to break up your paper
into sections, five is usually a good number.
Work on those sections by themselves,
making sure that the last sentence is a
transition sentence into the next paragraph.
Your intro and your conclusion should mirror
each other, but not be identical. These
paragraphs should condense the facts and
positions regarding the subject of your paper
so the reader has a clear idea coming and
Details
• Concentrate single-mindedly on a narrative
that
• Describes the problem, and why it is
interesting
• Describes your idea
• Defends your idea, showing how it solves the
problem, and filling out the details
Idea first
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Sounds impressive...but
Sends readers to sleep
In a paper you MUST provide the details,
but FIRST convey the idea
Introduce the problem, and your idea, using
EXAMPLES
and only then present the general case
Completeness
• Your introduction makes claims
The body of the paper provides evidence to
support each claim
• Check each claim in the introduction, identify
the evidence, and forward-reference it from
the claim
Evidence can be: analysis and comparisons,
theorems, experiments and measurements,
case studies
Introduction
• Introduction
Introductory paragraphs
Statement of the problem
Purpose
Significance of the study
Research questions and/or hypotheses
Background
• Background
Literature review
Definition of terms
methodology
Restate purpose and research questions or null
hypotheses
Population and sampling
Instrumentation (include copy in appendix)
Procedure and time frame
Analysis plan (state critical alpha level and type
of statistical tests)
Validity and reliability
Assumptions
Scope and limitations
• Conclusions and recommendations
Summary (of what you did and found)
Discussion (explanation of findings - why do
you think you found what you did?)
Recommendations (based on your findings)
Who reads a paper?
• A paper is read by one or more skilled referees,
and, if accepted,
• by a scientifically-informed audience.
First step
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The first job is to structure your thinking.
Follow top down approach.
Devise a tentative title for the paper and write it down.
jot down what seem like sensible section headings.- first
level of detailing.
• Get into the next level of detailing.- what is (are) the idea(s)
to be described in the section
- paragraph headings, figures, ideas.
• Think of things that might be relevant to the section—a
reference, a graph you might need, an idea that requires
further development
Title
• Should reflect correctly and succintly the
contents of a paper.
• Should be based on the contributions and
area.
• Should not be general, vague, broad.
Results
• Summarize your findings in text and illustrate them, if
appropriate, with figures and tables.
• In text, describe each of your results, pointing the
reader to observations that are most relevant.
• Provide a context, such as by describing the question
that was addressed by making a particular observation.
• Describe results of control experiments and include
observations that are not presented in a formal figure
or table, if appropriate.
• Analyze your data, then prepare the analyzed
(converted) data in the form of a figure (graph), table,
or in text form.
results
• Never include raw data or intermediate
calculations in a research paper.
• Do not present the same data more than
once.
• Text should complement any figures or tables,
not repeat the same information.
• Please do not confuse figures with tables there is a difference.
Discussions
• Decide if each hypothesis is supported, rejected, or if
you cannot make a decision with confidence.
• Do not simply dismiss a study or part of a study as
"inconclusive." Research papers are not accepted if the
work is incomplete.
• Draw what conclusions you can based upon the results
that you have, and treat the study as a finished work
• You may suggest future directions, such as how the
experiment might be modified to accomplish another
objective.
• Explain all of your observations as much as possible,
focusing on mechanisms.
Discussions
• Decide if the experimental design adequately
addressed the hypothesis, and whether or not it was
properly controlled.
• Try to offer alternative explanations if reasonable
alternatives exist.
• One experiment will not answer an overall question,
so keeping the big picture in mind, where do you go
next?
• The best studies open up new avenues of research.
What questions remain?
• Recommendations for specific papers will provide
additional suggestions.
References
• List all literature cited in your paper, in alphabetical
order, by first author. In a proper research paper, only
primary literature is used (original research articles
authored by the original investigators).
• Be cautious about using web sites as references anyone can put just about anything on a web site, and
you have no sure way of knowing if it is truth or fiction.
• If you are citing an on line journal, use the journal
citation (name, volume, year, page numbers)
checklist
• 1. Did I begin each paragraph with a proper topic sentence?
2. Have I supported my arguments with documented proof or examples?
3. Any run-on or unfinished sentences?
4. Any unnecessary or repetitious words?
5. Varying lengths of sentences?
6. Does one paragraph or idea flow smoothly into the next?
7. Any spelling or grammatical errors?
8. Quotes accurate in source, spelling, and punctuation?
9. Are all my citations accurate and in correct format?
10. Did I avoid using contractions? Use "cannot" instead of "can't", "do
not" instead of "don't"?
11. Did I use third person as much as possible? Avoid using phrases such
as "I think", "I guess", "I suppose"
12. Have I made my points clear and interesting but remained objective?
13. Did I leave a sense of completion for my reader(s) at the end of the
paper?
style
• Use normal prose including articles ("a", "the," etc.)
• Stay focused on the research topic of the paper
• Use paragraphs to separate each important point (except for the
abstract)
• Indent the first line of each paragraph
• Present your points in logical order
• Use present tense to report well accepted facts - for example, 'the
grass is green'
• Use past tense to describe specific results - for example, 'When
weed killer was applied, the grass was brown'
• Avoid informal wording, don't address the reader directly, and don't
use jargon, slang terms, or superlatives
• Avoid use of superfluous pictures - include only those figures
necessary to presenting results
Style
• Use past tense except when referring to
established facts. After all, the paper will be
submitted after all of the work is completed.
• Reference to results of a specific study should
also be in past tense.
• Organize your ideas, making one major point
with each paragraph.
• State the hypothesis/objective precisely - do
not oversimplify.
• As always, pay attention to spelling, clarity
and appropriateness of sentences and
phrases.
• Make sure that your sentences are complete,
that they make sense when you proofread,
and that you have verb/subject agreement.
Style
• In text, refer to each figure as "figure 1,"
"figure 2," etc. ;
• number your tables as well .
• Place figures and tables, properly numbered,
in order at the end of the report (clearly
distinguish them from any other material such
as raw data, standard curves, etc.)
style
• When you refer to information, distinguish data
generated by your own studies from published
information or from information obtained from
other students (verb tense is an important tool
for accomplishing that purpose).
• Refer to work done by specific individuals
(including yourself) in past tense.
• Refer to generally accepted facts and principles in
present tense.
Style
• Statement like "we used Microsoft Excel to produce a
graph of x versus y." is anecdotal and is considered to
be superfluous.
• Unnecessary background
• If you state facts or describe mechanisms, do so in
order to make a point or to help interpret results, and
do refer to the present study. If you find yourself
writing everything you know about the subject, you are
wasting your time (and that of your reader). Stick to
the appropriate point, and include a reference to your
source of background information if you feel that it is
important.
Mistakes to avoid
• Placing a heading at the bottom of a page with
the following text on the next page (insert a
page break!)
• Dividing a table or figure - confine each
figure/table to a single page
• Submitting a paper with pages out of order
Observations
• Incomplete sentences, redundant phrases,
obvious misspellings, and other symptoms of
a hurriedly-written paper can cost you.
• Spelling and grammatical errors can be
embarrassing.
• please make sure that tables are not split over
more than one page, that headings are not
"orphaned," pages submitted out of
sequence, etc.
Inappropriate statements
• It isn't necessary to tell fellow scientists that
your study is pertinent to the field of
biochemistry. Your readers can figure out to
what field(s) your work applies. You need not
define terms that are well known to the
intended readership. For example, do you
really think it is necessary to define systolic
blood pressure if your readership consists of
physicians or cardiovascular physiologists?
• Superlatives include adjectives such as "huge,"
"incredible," "wonderful," "exciting," etc.
• Your definition of incredible might be different
from that of someone else - perhaps a five fold
increase is incredible to you, but not for the next
person. It is much better to use an objective
expression, such as "Oxygen consumption was
five fold greater in the presence of uncoupler,
which is a greater change than we saw with the
addition of any other reagent."
Beliefs
• Similarly, we don't write that we believe
something. We present the evidence, and
perhaps suggest strong support for a position,
but beliefs don't come into play.
Proof
• The requirements for scientific proof are
extremely rigorous.
Over simplification
• We used a spectrophotometer to determine
protein concentrations for each of our
samples.
• We used an oscilloscope to measure
potentials .
Results
• Converted data are data that have been analyzed,
usually summarized, and presented
• Raw data refers to results of individual replicate
trials, individual observations, chart records, and
other information that comes directly from the
laboratory. Raw data are not usually included in
your results.
• Once you have presented converted data, do not
present the same data in a different way. For
example, if the data are plotted, then don't
include a table of data as well.
Results
• Use an appropriate number of decimal places
(if you need decimal places at all) to report
measured or calculated values. The number of
decimal places and/or significant figures must
reflect the degree of precision of the original
measurement.
• there is never any need to qualify a
measurement or calculation as 'about' or
'approximate.'
Some rules
• 1. Verbs HAS to agree with their subjects.
2. Prepositions are not words to end sentences
with.
3. And don't start a sentence with a conjunction.
4. It is wrong to ever split an infinitive.
5. Avoid cliches like the plague. (They're old hat)
6. Also, always avoid annoying alliteration.
7. Be more or less specific.
8. Parenthetical remarks (however relevant) are
(usually) unnecessary.
Some rules
• 9. Also too, never, ever use repetitive redundancies.
10. No sentence fragments.
11. Contractions aren't necessary and shouldn't be
used.
12. Foreign words and phrases are not apropos.
13. Do not be redundant; do not use more words than
necessary; it's highly superfluous.
14. One should NEVER generalize.
15. Comparisons are as bad as cliches.
16. Eschew ampersands & abbreviations, etc.
17. One-word sentences? Eliminate.
18. Analogies in writing are like feathers on a snake.
19. The passive voice is to be ignored.
Some rules
• 20. Eliminate commas, that are, not necessary. Parenthetical words
however should be enclosed in commas.
21. Never use a big word when a diminutive one would suffice.
22. Use words correctly, irregardless of how others use them.
23. Understatement is always the absolute best way to put forth
earth-shaking ideas.
24. Eliminate quotations. As Ralph Waldo Emerson said, "I hate
quotations. Tell me what you know."
25. If you've heard it once, you've heard it a thousand times:
Resist hyperbole; not one writer in a million can use it correctly.
26. Puns are for children, not groan readers.
27. Go around the barn at high noon to avoid colloquialisms.
28. Even IF a mixed metaphor sings, it should be derailed.
29. Who needs rhetorical questions?
30. Exaggeration is a billion times worse than understatement.
Plagiarism
• Plagiarism (use of others words, ideas,
images, etc. without citation) is not to be
tolerated and can be easily avoided by
adequately referencing any and all
information you use from other sources. In
the strictest sense, plagiarism is
representation of the work of others as being
your work. Paraphrasing other's words too
closely may be construed as plagiarism in
some circumstances