astronomy

Heidi Julien

Heidi Julien is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Heidi Julien rather than just read about it. In short: Heidi Julien is a Canadian information science professor and scholar whose research focuses on human information behavior, information literacy, and theory used in information science. She is currently a professor at the University of Buffalo.

Key takeaways

Heidi Julien belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Heidi Julien to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Heidi Julien from memory before moving on to harder problems.

Reference excerpt

Heidi Julien is a Canadian information science professor and scholar whose research focuses on human information behavior, information literacy, and theory used in information science. She is currently a professor at the University of Buffalo. Julien focuses on digital literacy, information literacy, information behavior, and research methodologies in library and information science. She is the recipient of the 2025 Award of Merit from the Association for Information Science and Technology--the association’s highest honor.

Early life and education Very little public information is available about Julien's early life. She has earned a Bachelor of Education in 1984 and a Master of Library and Information Studies from the University of Alberta in 1994. She completed her PhD in Library and Information Science at the University of Western Ontario in 1997. Her dissertation was titled "How Does Information Help? The Search for Career-Related Information by Adolescents", her supervisor was Gillian Michell.

Career Julien has held major leadership roles in information societies and conferences, including President of the Association for Library and Information Science Education (ALISE) 2018-2019, President of the Canadian Association for Information Science 2015-2016, and several other organizations as well. She has also held multiple chair, and jury positions within ASIS&T (Awards & Honors Committee; Governance Committee; Award of Merit juries). She teaches graduate-level courses in theoretical foundations of information science, information practices, information literacy instruction, and research methods. She has supervised numerous doctoral and master's students to completion, and served on several different doctoral examination committees internationally. Julien is recognized for her sustained graduate student mentorship and commitment to the work in library and information studies. Posts have included:

Professor, Department of Information Science, Graduate School of Education, University of Buffalo (2013–present), Department Chair 2013-2019. Research Associate, Department of Information Science, University of Pretoria (2020-2024). Adjunct Professor, Faculty of Graduate Studies, Dalhousie University (2021-2024). Professor and Director, School of Library and Information Studies, University of Alabama (2011-2013). Professor, Graduate Coordinator, Associate and Assistant Professor roles, School of Library and Information Studies, University of Alberta (2001-2011l; Associate Professor 2004-2009; Professor 2009-2011).

Partnerships In partnership with the University of Alberta Faculty of Graduate & Postgraduate studies, Julien has created an award of $500 that gets awarded to two Library and Information Students. The award is the 'Dr Heidi Julien Professional Development Award in Library and Information Studies'.

Awards ASIS&T Award of Merit (2025). Canadian Association for Information Science Career Achievement Award (inaugural, 2023). University at Buffalo Exceptional Scholar - Sustained Achievement (2023). ASIS&T SIG-USE Outstanding Contributions to Information Behavior Research Award (2020). ALISE Service Award (2021). Library and Information Studies Graduate Student Supervisor Award – University of Alberta – 2010.

Selected publications Julien, Heidi; Barker, Susan (January 2009). "How high-school students find and evaluate scientific information: A basis for information literacy skills development". Library & Information Science Research. 31 (1): 12–17. doi:10.1016/j.lisr.2008.10.008. hdl:10818/9358. Fisher, Karen E.; Julien, Heidi (2009). "Information behavior". Annual Review of Information Science and Technology. 43 (1): 1–73. doi:10.1002/aris.2009.1440430114. ISSN 1550-8382. Aharony, Noa; Julien, Heidi; Nadel-Kritz, Noa (2020-12-01). "Survey of information literacy instructional practices in academic libraries". Journal of Librarianship and Information Science. 52 (4): 964–971. doi:10.1177/0961000619891762. ISSN 0961-0006. Detlor, Brian; Booker, Lorne; Serenko, Alexander; Julien, Heidi (2012-05-01). "Student perceptions of information literacy instruction: The importance of active learning". Education for Information. 29 (2): 147–161. doi:10.3233/EFI-2012-0924. ISSN 0167-8329. Detlor, Brian; Julien, Heidi; La Rose, Tara; Serenko, Alexander (October 2022). "Community-led digital literacy training: Toward a conceptual framework". Journal of the Association for Information Science and Technology. 73 (10): 1387–1400. doi:10.1002/asi.24639. ISSN 2330-1635. Detlor, Brian; Serenko, Alexander; Rose, Tara La; Julien, Heidi (2024-09-16). "A Survey of Public Library-Led Digital Literacy Training in Canada: Perceptions of Administrators and Instructors". Evidence Based Library and Information Practice. 19 (3): 23–41. doi:10.18438/eblip30553. ISSN 1715-720X.

References

Worked examples

Example 1 — a first encounter with Heidi Julien

Start with the simplest possible case. Write down what Heidi Julien claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Heidi Julien before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Heidi Julien ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Heidi Julien

In research: Heidi Julien appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Heidi Julien in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Heidi Julien is common in secondary-school and first-year university syllabi. It links to neighbouring topics Canadian academics, Information scientists, Living people, so understanding it makes those chapters shorter.
In everyday life: Look for Heidi Julien outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Heidi Julien in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Heidi Julien means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Heidi Julien out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Heidi Julien in simple terms?

Why does Heidi Julien matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Heidi Julien?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Heidi Julien.