Loading… loading… The influence of download time on information search

Autoři: Alyssa C. Smith aff001;  Brandon C. W. Ralph aff001;  Jeremy Marty-Dugas aff001;  Daniel Smilek aff001
Působiště autorů: Department of Psychology, University of Waterloo, Waterloo, Ontario, Canada aff001
Vyšlo v časopise: PLoS ONE 14(12)
Kategorie: Research Article
prolekare.web.journal.doi_sk: 10.1371/journal.pone.0226112


When browsing online, there is considerable variation in the amount of time that one has to wait for content to appear once the link to that content has been activated (i.e., clicked). In two experiments we examined how ‘download time’–a potential barrier to information access–influences search behaviour. In both experiments, participants completed a video-watching task in which they were presented with a screen containing six clickable icons, each of which represented a unique video. When participants clicked an icon, a video would begin to load and then play. The participants’ task was to gain as much information from the videos as possible for a later memory test. Critically, however, the ‘download time’ (i.e., the time between the click on the icon and the video beginning to play) of the available videos in a given search session varied. In Experiment 1, these download times were 0 (instant), 2, or 30 seconds, and in Experiment 2, they were 5, 15, or 30 seconds. In general, we found that participants terminated and avoided videos with longer download times than videos with shorter download times. Interestingly, this effect was attenuated when the experienced download times were more similar to each other (Experiment 2) than when they were more different from each other (Experiment 1).

Klíčová slova:

Computer networks – Diet – Foraging – Information retrieval – Information theory – Internet – Social media – Twitter


1. O’Reilly CA III (1982). Variations in decision makers’ use of information sources: The impact of quality and accessibility of information. Academy of Management journal, 1982;25(4): 756.

2. Berland GK, Elliott MN, Morales LS, Algazy JI, Kravitz RL, Broder MS, et al. Health information on the Internet: accessibility, quality, and readability in English and Spanish. JAMA, 2001;285(20): 2612. doi: 10.1001/jama.285.20.2612 11368735

3. Armel KC, Beaumel A, & Rangel A. Biasing simple choices by manipulating relative visual attention. Judgment and Decision making, 2008;3(5), 396–403.

4. Lynch NP, Lang B, Angelov S, McGarrigle SA, Boyle TJ, Al-Azawi D, et al. Breast reconstruction post mastectomy-Let’s Google it. Accessibility, readability and quality of online information. The Breast, 2017;32: 126. doi: 10.1016/j.breast.2017.01.019 28178606

5. Epstein R, Robertson RE. The search engine manipulation effect (SEME) and its possible impact on the outcomes of elections. Proceedings of the National Academy of Sciences, 2015;112(33): E4512.

6. Pan B, Hembrooke H, Joachims T, Lorigo L, Gay G, Granka L. In Google we trust: Users’ decisions on rank, position, and relevance. Journal of computer-mediated communication, 2007;12(3): 801.

7. Epstein R, Mohr R. The answer bot effect (ABE): Another surprising way search engines can impact opinions. Paper presented at the 98th Annual Meeting of the Western Psychological Association, 2018, Portland, OR, USA.

8. Rogan J. #1236 –Jack Dorsey. 2019. Apple podcasts.

9. Fu WT, Pirolli P. Human-Computer Interaction SNIF-ACT: A Cognitive Model of User Navigation on the World Wide Web. Human-Computer Interaction, 2007;22: 355. https://doi.org/10.1080/07370020701638806

10. Pirolli P. Rational analyses of information foraging on the web. Cognitive Science, 2005; 29(3): 343. https://doi.org/10.1207/s15516709cog0000_20 21702778

11. Pirolli P, Card S. Information Foraging. Psychological Review, 1999;106(4): 643.

12. Pirolli P, Fu WT. SNIF-ACT: A Model of Information Foraging on the World Wide Web. Lecture Notes in Computer Science, 2003: 2702.

13. Card SK, Pirolli P, Van Der Wege M, Morrison JB, Reeder RW, Schraedley PK, Boshart J. Information scent as a driver of Web behavior graphs: results of a protocol analysis method for Web usability. In Proceedings of the SIGCHI conference on Human factors in computing systems 2001 Mar 1 (pp. 498–505). ACM.

14. Hoxmeier JA, DiCesare C. System response time and user satisfaction: An experimental study of browser-based applications. AMCIS 2000 Proceedings. 2000 Jan 1:347.

15. Ramsay J, Barbesi A, Preece J. A psychological investigation of long retrieval times on the World Wide Web. Interacting with computers. 1998 Mar;10(1):77–86.

16. Galletta DF, Henry R, McCoy S, Polak P. Web site delays: How tolerant are users?. Journal of the Association for Information Systems. 2004 Jan 27;5(1):1.

17. DiClemente DF, Hantula DA. Applied behavioral economics and consumer choice. Journal of Economic Psychology. 2003 Oct 1;24(5):589–602.

18. Rajala AK, Hantula DA. Towards a behavioral ecology of consumption: Delay‐reduction effects on foraging in a simulated Internet mall. Managerial and Decision Economics. 2000 Apr;21(3‐4):145–58.

19. Rose GM, Lees J, Meuter ML. A refined view of download time impacts on e‐consumer attitudes and patronage intentions toward e‐retailers. International Journal on Media Management. 2001 Jan 1;3(2):105–11.

20. Krämer J, Wiewiorra L, Weinhardt C. Net neutrality: A progress report. Telecommunications Policy. 2013 Oct 1;37(9):794–813.

21. Collins K. Net neutrality has officially been repealed: Here’s how that could affect you [internet]. 2018 [cited 7 March 2019]. Accessed from: https://www.nytimes.com/2018/06/11/technology/net-neutrality-repeal.html

22. Kharif O. YouTube, Netflix Videos Found to Be Slowed by Wireless Carriers [internet]. 2018 [cited 7 March 2019]. Accessed from: https://www.bloomberg.com/news/articles/2018-09-04/youtube-and-netflix-throttled-by-carriers-research-finds

23. Nowak P. Bell sued for throttling internet speeds [internet]. 2008 [cited 7 March 2019] Accessed from: https://www.cbc.ca/news/technology/bell-sued-for-throttling-internet-speeds-1.713254

24. Brain hacking: 60 minutes [television broadcast]. CBS News. 2017 April 9.

25. Dennis AR, Taylor NJ. Information foraging on the web: The effects of “acceptable” Internet delays on multi-page information search behavior. Decision Support Systems. 2006;42(2):810–24.

26. Liu X, Chin J, Payne BR, Fu WT, Morrow DG, Stine-Morrow EA. Adult age differences in information foraging in an interactive reading environment. Psychology and aging. 2016;31(3):211. doi: 10.1037/pag0000079 26963481

27. Rose GM, Lees J, Meuter ML. A refined view of download time impacts on e‐consumer attitudes and patronage intentions toward e‐retailers. International Journal on Media Management. 2001;3(2):105–11.

28. Simmons JP, Nelson LD, Simonsohn U. A 21 word solution. SSRN 2160588. 2012 Oct 14.

29. Kline RB. Principles and practice of structural equation modeling. Guilford publications; 2015 Nov.

30. Galletta DF, Henry RM, McCoy S, Polak P. When the wait isn’t so bad: The interacting effects of website delay, familiarity, and breadth. Information Systems Research. 2006 Mar;17(1):20–37.

31. Nah FF. A study on tolerable waiting time: how long are web users willing to wait?. Behaviour & Information Technology. 2004 May 1;23(3):153–63.

32. Tversky A, Kahneman D. The framing of decisions and the psychology of choice. Science. 1981 Jan 30;211(4481):453–8. doi: 10.1126/science.7455683 7455683

33. Kahneman D, Tversky A. Rational choice and the framing of decisions. Journal of business. 1986 Oct 4;59(4):251–78.

34. LeBoeuf RA, Shafir E. Deep thoughts and shallow frames: On the susceptibility to framing effects. Journal of Behavioral Decision Making. 2003 Apr;16(2):77–92.

35. Nickerson RS. Confirmation bias: A ubiquitous phenomenon in many guises. Review of general psychology. 1998 Jun;2(2):175–220.

36. Newton C. Twitter will hide more bad tweets in conversations and searches [internet]. 2018 [cited 25 April 2019]. Accessed from: https://www.theverge.com/2018/5/15/17352962/twitter-abuse-changes-ranking-tweets-conversations-search.

37. Google and Censorship. Hearing before the subcomm. on the senate judiciary, 116th cong., 2019. (Testimony of Robert Epstein)

38. Economy EC. (2018). The great firewall of China: Xi Jingping’s internet shutdown [internet]. 2018 [cited 12 November 2019]. Accessed from: https://www.theguardian.com/news/2018/jun/29/the-great-firewall-of-china-xi-jinpings-internet-shutdown.

39. Bernays EL. Propaganda. Ig publishing; 1928/2005

40. Lippmann W. Public opinion. Routledge: 1922

41. Lippmann W. The phantom public. Routledge: 1925

42. Chomsky N. Media control: The spectacular achievements of propaganda. Seven Stories Press; 2002

43. Schwartz MS. Facebook Bans Alex Jones, Louis Farrakhan And Other ‘Dangerous’ Individuals [internet]. 2019 [cited 16 May 16 2019]. Accessed from: https://www.npr.org/2019/05/03/719897599/facebook-bans-alex-jones-louis-farrakhan-and-other-dangerous-individuals.

44. Canadian Radio-television and Telecommunications Commission. What you should know about internet speeds [internet]. 2019 [cited 29 October 2019]. Accessed from: https://crtc.gc.ca/eng/internet/performance.htm.

Článok vyšiel v časopise


2019 Číslo 12