Adaptive information search: Age-dependent interactions between cognitive profiles and strategies

Jessie Chin, Wai-Tat Fu, Thomas Kannampallil

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Previous research has shown that older adults performed worse in web search tasks, and attributed poorer performance to a decline in their cognitive abilities. We conducted a study involving younger and older adults to compare their web search behavior and performance in ill- defined and well-defined information tasks using a health information website. In ill-defined tasks, only a general description about information needs was given, while in well-defined tasks, information needs as well as the specific target information were given. We found that older adults performed worse than younger adults in well-defined tasks, but the reverse was true in ill-defined tasks. Older adults compensated for their lower cognitive abilities by adopting a top-down knowledge-driven strategy to achieve the same level of performance in the ill-defined tasks. Indeed, path models showed that cognitive abilities, health literacy, and knowledge influenced search strategies adopted by older and younger adults. Design implications arc also discussed.

Original languageEnglish (US)
Title of host publicationCHI 2009
Subtitle of host publicationDigital Life New World - Proceedings of the 27th International Conference on Human Factors in Computing Systems
Pages1683-1692
Number of pages10
DOIs
StatePublished - Dec 1 2009
Event27th International Conference Extended Abstracts on Human Factors in Computing Systems, CHI 2009 - Boston, MA, United States
Duration: Apr 4 2009Apr 9 2009

Publication series

NameConference on Human Factors in Computing Systems - Proceedings

Other

Other27th International Conference Extended Abstracts on Human Factors in Computing Systems, CHI 2009
CountryUnited States
CityBoston, MA
Period4/4/094/9/09

Fingerprint

Health
Websites

Keywords

  • Age differences
  • And health literacy
  • Cognitive abilities
  • Cost-benefit analysis
  • Ill-defined task
  • Search strategies
  • Web search

ASJC Scopus subject areas

  • Software
  • Human-Computer Interaction
  • Computer Graphics and Computer-Aided Design

Cite this

Chin, J., Fu, W-T., & Kannampallil, T. (2009). Adaptive information search: Age-dependent interactions between cognitive profiles and strategies. In CHI 2009: Digital Life New World - Proceedings of the 27th International Conference on Human Factors in Computing Systems (pp. 1683-1692). (Conference on Human Factors in Computing Systems - Proceedings). https://doi.org/10.1145/1518701.1518961

Adaptive information search : Age-dependent interactions between cognitive profiles and strategies. / Chin, Jessie; Fu, Wai-Tat; Kannampallil, Thomas.

CHI 2009: Digital Life New World - Proceedings of the 27th International Conference on Human Factors in Computing Systems. 2009. p. 1683-1692 (Conference on Human Factors in Computing Systems - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chin, J, Fu, W-T & Kannampallil, T 2009, Adaptive information search: Age-dependent interactions between cognitive profiles and strategies. in CHI 2009: Digital Life New World - Proceedings of the 27th International Conference on Human Factors in Computing Systems. Conference on Human Factors in Computing Systems - Proceedings, pp. 1683-1692, 27th International Conference Extended Abstracts on Human Factors in Computing Systems, CHI 2009, Boston, MA, United States, 4/4/09. https://doi.org/10.1145/1518701.1518961
Chin J, Fu W-T, Kannampallil T. Adaptive information search: Age-dependent interactions between cognitive profiles and strategies. In CHI 2009: Digital Life New World - Proceedings of the 27th International Conference on Human Factors in Computing Systems. 2009. p. 1683-1692. (Conference on Human Factors in Computing Systems - Proceedings). https://doi.org/10.1145/1518701.1518961
Chin, Jessie ; Fu, Wai-Tat ; Kannampallil, Thomas. / Adaptive information search : Age-dependent interactions between cognitive profiles and strategies. CHI 2009: Digital Life New World - Proceedings of the 27th International Conference on Human Factors in Computing Systems. 2009. pp. 1683-1692 (Conference on Human Factors in Computing Systems - Proceedings).
@inproceedings{db37f63db20b49dca1c7988067efa562,
title = "Adaptive information search: Age-dependent interactions between cognitive profiles and strategies",
abstract = "Previous research has shown that older adults performed worse in web search tasks, and attributed poorer performance to a decline in their cognitive abilities. We conducted a study involving younger and older adults to compare their web search behavior and performance in ill- defined and well-defined information tasks using a health information website. In ill-defined tasks, only a general description about information needs was given, while in well-defined tasks, information needs as well as the specific target information were given. We found that older adults performed worse than younger adults in well-defined tasks, but the reverse was true in ill-defined tasks. Older adults compensated for their lower cognitive abilities by adopting a top-down knowledge-driven strategy to achieve the same level of performance in the ill-defined tasks. Indeed, path models showed that cognitive abilities, health literacy, and knowledge influenced search strategies adopted by older and younger adults. Design implications arc also discussed.",
keywords = "Age differences, And health literacy, Cognitive abilities, Cost-benefit analysis, Ill-defined task, Search strategies, Web search",
author = "Jessie Chin and Wai-Tat Fu and Thomas Kannampallil",
year = "2009",
month = "12",
day = "1",
doi = "10.1145/1518701.1518961",
language = "English (US)",
isbn = "9781605582474",
series = "Conference on Human Factors in Computing Systems - Proceedings",
pages = "1683--1692",
booktitle = "CHI 2009",

}

TY - GEN

T1 - Adaptive information search

T2 - Age-dependent interactions between cognitive profiles and strategies

AU - Chin, Jessie

AU - Fu, Wai-Tat

AU - Kannampallil, Thomas

PY - 2009/12/1

Y1 - 2009/12/1

N2 - Previous research has shown that older adults performed worse in web search tasks, and attributed poorer performance to a decline in their cognitive abilities. We conducted a study involving younger and older adults to compare their web search behavior and performance in ill- defined and well-defined information tasks using a health information website. In ill-defined tasks, only a general description about information needs was given, while in well-defined tasks, information needs as well as the specific target information were given. We found that older adults performed worse than younger adults in well-defined tasks, but the reverse was true in ill-defined tasks. Older adults compensated for their lower cognitive abilities by adopting a top-down knowledge-driven strategy to achieve the same level of performance in the ill-defined tasks. Indeed, path models showed that cognitive abilities, health literacy, and knowledge influenced search strategies adopted by older and younger adults. Design implications arc also discussed.

AB - Previous research has shown that older adults performed worse in web search tasks, and attributed poorer performance to a decline in their cognitive abilities. We conducted a study involving younger and older adults to compare their web search behavior and performance in ill- defined and well-defined information tasks using a health information website. In ill-defined tasks, only a general description about information needs was given, while in well-defined tasks, information needs as well as the specific target information were given. We found that older adults performed worse than younger adults in well-defined tasks, but the reverse was true in ill-defined tasks. Older adults compensated for their lower cognitive abilities by adopting a top-down knowledge-driven strategy to achieve the same level of performance in the ill-defined tasks. Indeed, path models showed that cognitive abilities, health literacy, and knowledge influenced search strategies adopted by older and younger adults. Design implications arc also discussed.

KW - Age differences

KW - And health literacy

KW - Cognitive abilities

KW - Cost-benefit analysis

KW - Ill-defined task

KW - Search strategies

KW - Web search

UR - http://www.scopus.com/inward/record.url?scp=84892458148&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84892458148&partnerID=8YFLogxK

U2 - 10.1145/1518701.1518961

DO - 10.1145/1518701.1518961

M3 - Conference contribution

AN - SCOPUS:84892458148

SN - 9781605582474

T3 - Conference on Human Factors in Computing Systems - Proceedings

SP - 1683

EP - 1692

BT - CHI 2009

ER -