Introduction to writing scientific papers
description
Transcript of Introduction to writing scientific papers
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Introduction to writing scientific papers
Gaby van Dijk
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Topics
Why? Who? What? How?
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Why?
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Scientists…
…share their research and results with others.
• Meetings with collegues.• Presentations and posters on conferences. • Lectures to students.• Papers
Popular papers. Scientific papers.
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Scientists…
…share their research and results with others.
• Meetings with collegues.• Presentations and posters on conferences. • Lectures to students.• Papers
Popular papers. Scientific papers.
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So why do we write scientific papers? What is our goal?
To share research and results.
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And…
…the number of papers you publish and their importance are often viewed as a reflection of your scientific achievements.
Writing high-quality scientific papers takes time, but it is time well invested.
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Who?
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Who?
You are the writer.
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For whom do you write a scientific paper?
Other researchers• Same field of expertise.• Other field of expertise.
Students.
Experts.
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What?
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Scientific paper
Paper in scientific journal. Peer reviewed. High standards of quality
• Methodology.• Writing.
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Scientific paper
Paper in scientific journal.• Systematic review or meta-analysis.• Original article (based on original analysis).
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Scientific paper
Paper in scientific journal.• Systematic review or meta-analysis.• Original article (based on original analysis).
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How?
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How?
First criterium for writing a high-quality paper is high-quality research.• Data.• Analyses.
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Clear and concise
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If you are not an English native-speaker, proofreading by a native-speaker might be helpful.
ErasmusAGE has a native-speaker to edit and proof all papers: Jenna Troup.
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Message
Make sure you know what you want to tell your reader.• Think about that before you start writing.
What is your main message?
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Learn from others
Read other already published peer-reviewed papers.
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Building stones
Title Abstract Introduction Methods Results Discussion References
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A well-written scientific paper explains • scientist's motivation for doing an experiment. • experimental design and execution.• results and their meaning.
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A well-written scientific paper explains • scientist's motivation for doing an experiment.
>> introduction • experimental design and execution.
>>methods• results and their meaning. >>results and
discussion
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Title (1)
Predicts the content. Catches the readers interest. Reflects the tone of the paper. Contains keywords that will make it easy
to retrieve or find by computer search.
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Title (2)
Keep as short as possible, but informative.
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Introduction
Contains your motivation for the research you performed.
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Introduction
Why is this study of scientific interest and what is your objective? • What is already known in the literature• What is not? What are the gaps? • What should be investigated?• What are your objectives and research
questions?
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Introduction
From general to specific information.
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Introduction
Limit the introduction to studies that relate directly to your study.
Cite previous studies / use references.
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Citation Use references as evidence for the
statements you make. Readers can find the full text elsewhere. Different ways of citation
– Davis (2010) found…– …has been observed (Davis, 2010).– …patterns at least once per week (8).
1 or 2 authors are cited using their last names. >2 authors are cited using last name st author
followed by et al.
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Citation…has been observed (Davis, 2010). 1 or 2 authors are cited using their last
names. >2 authors are cited using last name 1st
author followed by et al.
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Citation…to be associated (Davis 2010, Brown et al. 2011, McKerran et al. 2007).
It is acceptable to cite more than one source for a particular statement.
More validity Suggests that your research was thorough.
References are ordered by publication date, so that the earliest citation comes first.
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References
Give full citation of all cited papers in your reference list.
Use endnote or reference manager to manage your references and create bibliography and list.
Vermeulen A. Androgen secretion after age 50 in both sexes. Horm Res. 1983;18:37-42.
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Introduction
The last paragraph of the introduction contains objectives and research questions.
Also hypotheses can be stated. • What results do you expect?
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Keep the introduction as brief as possible.
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Methods
Provides all the methodological details necessary for another scientist to duplicate your work.• Description of what you did.
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Methods
Design. Population. Measurement and variables. Statistical analysis.
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Design
For ErasmusAGE studies refer to Generation R or the Rotterdam Study and give brief description.
Mention approval by the Medical Ethical Committee and informed consent.
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Population
Enrolment In- and exclusion criteria N Give information about inclusion and loss
to follow-up.• Test whether enrolment or loss is selective.
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Measurement and variables
Variables. Outcome measures versus independent
measures. How were they measured?
• Questionnaires, tests?• References.
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Statistical analysis
Provide a brief description of the statistical tests you used.
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Results
Present your results. No interpretation.
>>Discussion Do not present raw data. Do not include same data in table and
figure.
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Results
Use text to state the results, then refer to a table or figure where they can see the data for themselves.
Nitrogen fertilizer significantly increased soy bean total biomass (p=0.05) regardless of the presence or absence of Rhizobium (Table 1).
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Results
If your table includes the results of a statistical analysis, be sure to provide the information necessary for the reader to properly evaluate the analysis • probability levels, degrees of freedom, sample
size, etcetera.
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Results
Tips• Number tables and figures separately.• Do not attempt to evaluate the results in this
section.• Refer to each figure or table you include in your
paper.• Tables generally should report summary-level data• Only use a figure or graph when the data lend
themselves to a good visual representation.
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Discussion
Explain what the results mean. If necessary explain why results differ from
what other studies have found.
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Discussion
Interpret your results in light of other published results.• Use studies from introduction and new
studies.
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Discussion
Relate to the objectives and questions you raised in the introduction.• Make statements that synthesize all the
evidence (including previous work and the current work).
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Abstract
Brief summary of the paper. Contains information about
• Introduction• Methods• Results• Discussion.