Erik Frøkjær

Erik Frøkjær

Associate Professor emeritus


Publication year:
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  1. 2023
  2. Published

    Circadian Reinforcement Therapy in Combination With Electronic Self-Monitoring to Facilitate a Safe Postdischarge Period for Patients With Major Depression: Randomized Controlled Trial

    Aggestrup, A. S., Svendsen, S. D., Præstegaard, A., Løventoft, P., Nørregaard, L., Knorr, Ulla Benedichte Søsted, Dam, H., Frøkjær, Erik, Danilenko, K., Hageman, Ida, Faurholt-Jepsen, Maria , Kessing, Lars Vedel & Martiny, Klaus, 2023, In: JMIR Mental Health. 10, 1, 17 p., e50072.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. 2021
  4. Published

    Security Issues in SMTP-based Email Systems

    Holst-Christensen, B. & Frøkjær, Erik, 2021, 14th CMI International Conference Critical ICT Infrastructures and Platforms: Proceedings. Farag, H. (ed.). IEEE, 6 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  5. 2017
  6. Published

    Usability, acceptability, and adherence to an electronic self-monitoring system in patients with major depression discharged from inpatient wards

    Lauritsen, L., Andersen, L., Olsson, E., Søndergaard, S. R., Nørregaard, L. B., Løventoft, P. K., Svendsen, S. D., Frøkjær, Erik, Jensen, H. M., Hageman, Ida, Kessing, Lars Vedel & Martiny, Klaus, Apr 2017, In: Journal of Medical Internet Research. 19, 4, 12 p., e123.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Bringing content understanding into usability testing in complex application domains—a case study in eHealth

    Andersen, S. B., Rasmussen, C. K. & Frøkjær, Erik, 2017, Design, User Experience, and Usability: theory, methodology, and management: 6th International Conference, DUXU 2017, Held as Part of HCI International 2017, Vancouver, BC, Canada, July 9-14, 2017, Proceedings, Part I. Springer, Vol. Part 1. p. 327-341 15 p. (Lecture notes in computer science, Vol. 10288).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  8. 2014
  9. Published

    Patient expectations and experiences from a clinical study in psychiatric care using a self-monitoring system

    Nørregaard, L. B., Løventoft, P. K., Frøkjær, Erik, Lauritsen, L., Olsson, E. C., Andersen, L., Rauff, S. & Martiny, Klaus, 2014, NordiCHI '14: Proceedings of the 8th Nordic Conference on Human-Computer Interaction: Fun, Fast, Foundational. Association for Computing Machinery, p. 991-994 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  10. 2012
  11. Published

    Designing daybuilder: an experimental app to support people with depression

    Løventoft, P. K., Nørregaard, L. B. & Frøkjær, Erik, 2012, Proceedings of the 12th Participatory Design Conference: exploratory papers, workshop descriptions, industry cases - volume 2. Association for Computing Machinery, p. 1-4 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  12. Published

    Inspection-based evaluations

    Cockton, G., Woolrych , A., Hornbæk, Kasper & Frøkjær, Erik, 2012, The human-computer interaction handbook: fundamentals, evolving technologies, and emerging applications. Jacko, J. A. (ed.). 3 ed. CRC Press, p. 1279-1298 20 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  13. 2011
  14. Published

    Ingredients and meals rather than recipes: a proposal for research that does not treat usability evaluation methods as indivisible wholes

    Woolrych, A., Hornbæk, Kasper, Frøkjær, Erik & Cockton, G., 2011, In: International Journal of Human Computer Interaction. 27, 10, p. 940-970 31 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. 2010
  16. Published

    Distributed usability evaluation: enabling large-scale usability evaluation with user-controlled instrumentation

    Christensen, L. & Frøkjær, Erik, 2010, Proceedings of the 6th Nordic Conference on Human-Computer Interaction: extending boundaries. Association for Computing Machinery, p. 118-127 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  17. 2008
  18. Published

    A Study of the Evaluator Effect in Usability Testing

    Hornbæk, Kasper & Frøkjær, Erik, 2008, In: Human-Computer Interaction. 23, 3, p. 251-277 27 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Comparison of Techniques for Matching of Usability-Problem Descriptions

    Hornbæk, Kasper & Frøkjær, Erik, 2008, In: Interacting with Computers. 20, 6, p. 505-514

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Improving web search transparency by using a Venn diagram interface

    Frøkjær, Erik & Langer, L., 2008, NordCHI 2008: Building Bridges, Proceedings of the 5th Nordic Conference on Human-Computer Interaction, Lund, Sweden, 20-22 October, 2008. Gulz, A., Magnusson, C., Malmborg, L., Eftring, H., Jönsson, B. & Tollmar, K. (eds.). Association for Computing Machinery, p. 249-256 (ACM International Conference Proceedings; No. 358).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  21. Published

    Making use of business goals in usability evaluation: an experiment with novice evaluators

    Hornbæk, Kasper & Frøkjær, Erik, 2008, CHI 2008: 26th Annual SIGCHI Conference on Human Factors in Computing Systems, April 5-10, 2008, Florence, Italy, Conference Proceedings. Burnett, M., Constabile, M. F., Catarci, T., Ruyter, B. D., Tan, D., Czerwinski, M. & Lund, A. (eds.). Association for Computing Machinery, Vol. 1. p. 903-912 9 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  22. Published

    Metaphors of Human Thinking for Usability Evaluation and Design

    Frøkjær, Erik & Hornbæk, Kasper, 2008, In: ACM Transactions on Computer Human Interaction. 14, 4, p. Article 20 33 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Tracing Impact in a Usability Improvement Process

    Uldall-Espersen, T., Frøkjær, Erik & Hornbæk, Kasper, 2008, In: Interacting with Computers. 20, 1, p. 48-63 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. 2007
  25. Published

    Increasing the impact of usability work in software development

    Uldall-Espersen, T., Blandford, A., Jokela, T. & Frøkjær, Erik, 2007, CHI 2007 extended abstracts: CHI 2007 reach beyond, conference on Human factors in computing systems, San Jose, California, USA, April 28 - May 3, 1007. Begole, B., Payne, S., Churchill, E., St. Amant, R., Gilmore, D. & Rosson, M. B. (eds.). Association for Computing Machinery, p. 2873-2876 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  26. Published

    Usability and Software Development:  Roles of the Stakeholders

    Uldall-Espersen, T. & Frøkjær, Erik, 2007, Human-Computer Interaction: Interaction Design and Usability, 12th International Conference , HCI International 2007, Beijing, China, July 22-27, 2007, proceedings, Part II. Jacko, J. A. (ed.). Springer, p. 642-651 10 p. (Lecture notes incomputer science; No. 4550).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  27. 2006
  28. Published

    Increasing the impact of usability work in software development

    Uldall-Espersen, T. & Frøkjær, Erik, 2006, Proceedings of the Sixth Danish Human-Computer Interaction Research Symposium, 15. Nov 2006. Aarhus, Danmark, p. 61-62

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication

  29. Published

    The Turn - Integration of Information Seeking and Retrieval in Context

    Frøkjær, Erik, 2006, In: Dansk Biblioteksforskning. årgang 1 nr 3, p. 45-48

    Research output: Contribution to journal › Review › Research

  30. Published

    The USE Project: Experience with Usability Evaluation Techniques in Software Development Organizations

    Frøkjær, Erik, Hornbæk, Kasper, Høegh, R. T., Jensen, J. J., Nørgaard, M., Skov, M. B., Stage, J. & Uldall-Espersen, T., 2006, Proceedings of the Sixth Danish Human-Computer Interaction Research Symposium. p. 1

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  31. Published

    What kind of usability-problem description are useful for developers

    Hornbæk, Kasper & Frøkjær, Erik, 2006, Proceedings of the Annual Meeting of Human Factors and Ergonomics Society. p. 2523-2527

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  32. 2005
  33. Published

    Comparing usability problems and redesign proposal as input to practical systems development

    Hornbæk, Kasper & Frøkjær, Erik, 2005, Proceedings of ACM Conference on Human Factors in Computing Systems (CHI 2005). New York, NY: Association for Computing Machinery, p. 391-400

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  34. Published

    Cooperative Usability Testing: Complementing Usability Tests with User-supported Interpretation Sessions

    Frøkjær, Erik & Hornbæk, Kasper, 2005, Extended Abstracts of ACM Conference on Human Factors in Computing Systems (CHI 2005). p. 1383-1386

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  35. Published

    Philosophical Locutions in Scientific and Scholarly Activity

    Naur, P. & Frøkjær, Erik, 2005, An anatomy of human mental life. Gentofte, Danmark: naur.com publishing, p. -

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  36. Published

    The USE Project: Bridging the Gap between Usability Evaluation and Software Development, November 8, 2005.

    Als, B., Frøkjær, Erik, Hornbæk, Kasper, Høegh, R., Jensen, J., Nørgaard, M., Skov, M., Stage, J. & Uldall-Espersen, T., 2005, Proceedings of Fifth Danish HCI Research Symposium. Copenhagen Business School, p. 110-114

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  37. 2004
  38. Published

    Input from usability evaluation in the form of problems and redesigns: result from inerviews with developers

    Hornbæk, Kasper & Frøkjær, Erik, 2004, In: Proceedings of Workshop on Improving the Interplay between Usability Evaluation. and User Interface design, NordiCHI 2004, p. ?

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Reading Patterns and Usability in Visualizations of Electronic Documents

    Hornbæk, Kasper & Frøkjær, Erik, 2004, In: Research Alert for the TOCHI-paper: The Journal Interactions. 11(1), p. 11-12

    Research output: Contribution to journal › Journal article › Research

  40. Published

    Research Alert for Reading Patterns and Usability in Visualizations of Electronic Documents

    Hornbæk, Kasper & Frøkjær, Erik, 2004, In: Interactions. January + February Vol. XI. 1, p. 11-12

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Studying usability evaluation to improve its practical utility

    Hornbæk, Kasper & Frøkjær, Erik, 2004, In: Proceedings of Fourth Danish HCI Research Symposium. ?, p. ?

    Research output: Contribution to journal › Journal article › Research

  42. Published

    Two psychology-based Usability Inspection Techniques Studies in a diary Experiment

    Hornbæk, Kasper & Frøkjær, Erik, 2004, In: 3rd Nordic Conference on Human-computer Interaction (NordiCHI 2004). p. 3-12

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Usability Inspection by Metaphors of Human Thinking Compared to Heuristic Evaluation

    Hornbæk, Kasper & Frøkjær, Erik, 2004, In: International Journal of Human-Computer Interaction. 17(3), p. 357-374

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. 2003
  45. Published

    Evaluating User Interface with Metaphors of Human Thinking

    Frøkjær, Erik & Hornbæk, Kasper, 2003, Universal Access. Lecture Notes. 2615 ed. Berlin, Heidelberg: Springer, p. 22

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  46. Published

    Metaphors of Human Thinking: A New Tool in User Interface Design and Evaluation

    Frøkjær, Erik & Hornbæk, Kasper, 2003, Proceedings of INTERACT 2003 IFIP TC 13. IOS Press, p. 781-784

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  47. Published

    The Metaphors-of-Human-Thinking Technique for Usability Evaluation Compared to Heuristic Evaluation and Cognitive Walkthrough

    Frøkjær, Erik & Hornbæk, Kasper, 2003, Proceedings of the 3rd Danish Human-Computer Interaction Research Symposium. 98 ed. Roskilde: University of Roskilde, p. 4

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  48. 2002
  49. Published

    Evaluating User Interfaces with Metaphors of Human Thinking

    Frøkjær, Erik & Hornbæk, Kasper, 2002, 7th ERCIM Workshop on User Interfaces for All. Paris: INRIA, ERCIM, UI4A11, p. 533-544

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  50. Published

    Metaphors of Human Thinking in HCI: Habit, Stream of Thought, Awareness, Utterances and Knowing

    Frøkjær, Erik & Hornbæk, Kasper, 2002, Proceedings of HF2002 Human Factors Conference, Oz'CHI. ESA and CHISIG, p. 10

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  51. Published

    Proceedings of the 2nd Danish HCI Symposium

    Frøkjær, Erik (ed.) & Hornbæk, Kasper (ed.), 2002, København: DIKU. 47 p.

    Research output: Book/Report › Report › Research

  52. Published

    Studying the Utility of Mataphors of Human Thinking in HCI

    Hornbæk, Kasper & Frøkjær, Erik, 2002, Danmark. 3 p.

    Research output: Book/Report › Report › Communication

  53. Published

    Studying the Utility of Metaphors of Human Thinking in HCI

    Frøkjær, Erik & Hornbæk, Kasper, 2002, Proceedings of the 2nd Danish HCI Symposium. København: DIKU, p. 19-21

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  54. 2001
  55. Published

    Contextual Design som Grundlag for Systemudviklings- og HCI-undervisning

    Frøkjær, Erik, 2001, Proceedings of the First Danish Human-Computer Interaction Research Symposium. DAIMI, Århus Universitet: DAIMI PB-555, p. 23-24

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication

  56. Published

    How Are Researching and Reading Interwieved during Retrieval from Hierarchically Structured Documents?

    Hertzum, M., Lalmas, M. & Frøkjær, Erik, 2001, Proceedings of the IFIP TC 13. International Conference on Human-Computer Interaction (INTERACT '01), Tokyo, Japan, July 9-13, 2001. IOS Press, p. 537-544

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  57. Published

    Reading of Electronic Documents. The Usability of Linear, Fisheye, and Overwiev + Detail Interfaces

    Hornbæk, Kasper & Frøkjær, Erik, 2001, In: CHI Letters Proceedings of CHI 2001. p. 293-301

    Research output: Contribution to journal › Journal article › Research › peer-review

  58. Published

    Reading of Electronic Documents: The Usability of Linear, Fisheye, and Overview+Detail Interfaces

    Hornbæk, Kasper & Frøkjær, Erik, 2001, In: CHI Letters Proceedings of CHI 2001. vol. 3, issue 1, p. 293-300

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. 2000
  60. Published

    Amanda - og problemerne med Statens IT-projekter

    Frøkjær, Erik, 2000, Konference Softwareudvikling. Teknologisk Institut, p. 10

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication

  61. Published

    Measuring Usability: Are Effectiveness, Efficiency, and Satisfaction Really Correlated?, Vol.2, No.1

    Frøkjær, Erik, Hertzum, M. & Hornbæk, Kasper, 2000, CHI Letters, Proceedings of CHI 2000. N.Y., USA: Association for Computing Machinery, p. 345-352

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  62. Published

    Philosophical Locations in Scientific and Scholarly Activity

    Naur, P. & Frøkjær, Erik, 2000, København, http://www.nam.com.

    Research output: Book/Report › Book › Research

  63. 1999
  64. Published

    Do Thematic Maps Improve Information Retrieval? Human-Computer Interaction-INTERACT '99

    Hornbæk, Kasper & Frøkjær, Erik, 1999, 13 International Conference on Human-Computer Interaction. IOS Press, IFIP TC. 13, p. 179-186

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  65. Published

    Fagfolks dokumentationsarbejde og informationshåndtering

    Frøkjær, Erik, Perstrup, K. & Hornbæk, Kasper, 1999, Viden Om, Særnummer om eksperimentelle søgemetoder, April. Dansk Biblioteks Center, p. 15-19

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  66. Published

    Prediction of Usability: Comparing Method Combinations

    Frøkjær, Erik & Lárusdóttir, M., 1999, Managing Information Technology Resources in Organizations in the Next Millenium, Information Resources Management Association International Conference (IRMA). Idea Group Publishing, p. 248-257

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  67. 1997
  68. Published

    A World Wide Web-based HCI-library Designed for Interaction Studies

    Perstrup, K., Frøkjær, Erik, Konstantinovitz, M., Konstantinovitz, T., Sørensen, F. S. & Varming, J., 1997, Proceedings of the third ERCIM workshop on User Interfaces for All. Villers-les-Nancy, Frankrig: INRIA Lorraine, p. 137-142

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

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