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Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience

Iain D Leighton, John Hiemstra Orcid Logo, Christoph Weidemann

Boreas, Volume: 42, Issue: 2, Pages: n/a - 469

Swansea University Authors: John Hiemstra Orcid Logo, Christoph Weidemann

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DOI (Published version): 10.1111/j.1502-3885.2011.00246.x

Abstract

It is a scientist's mission to try to remain unbiased. However, certain factors play a role in scientific analyses that are not controlled by conscious thought. These factors are potentially very important in areas of science where interpretations are based on a scientist's ability to iden...

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Published in: Boreas
ISSN: 0300-9483
Published: 2013
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URI: https://cronfa.swan.ac.uk/Record/cronfa7049
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last_indexed 2019-06-13T19:04:46Z
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spelling 2019-06-13T17:43:26.2036647 v2 7049 2012-02-07 Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience fa99fa6ac238739f5e92fd88069c4036 0000-0003-3148-0206 John Hiemstra John Hiemstra true false b155eeefe08155214e70fea25649223c Christoph Weidemann Christoph Weidemann true false 2012-02-07 SGE It is a scientist's mission to try to remain unbiased. However, certain factors play a role in scientific analyses that are not controlled by conscious thought. These factors are potentially very important in areas of science where interpretations are based on a scientist's ability to identify patterns or structures. One such area is the micromorphology of glacial sediments. In this paper we investigate the role of an analyst's experience in relation to pattern perception with specific reference to turbate microstructures in glacial diamictons. An experiment was conducted on 52 participants, which demonstrated that, as may be expected, more experienced (glacial) micromorphologists tend to exhibit a higher sensitivity-to-signal, but that complete novices, if given clear instructions, can reach levels of sensitivity similar to those of experts. It also showed, perhaps more surprisingly, that response bias does not decrease with experience. We discuss psychological factors, such as the drive for success and consistency, that may have contributed to these results and investigate their possible implications in the micromorphological analysis and interpretation of glacial sediments. Journal Article Boreas 42 2 n/a 469 0300-9483 6 2 2013 2013-02-06 10.1111/j.1502-3885.2011.00246.x http://cogsci.info/papers/LeightonEtAl2013.pdf COLLEGE NANME Geography COLLEGE CODE SGE Swansea University 2019-06-13T17:43:26.2036647 2012-02-07T11:29:52.6970000 Faculty of Medicine, Health and Life Sciences School of Psychology Iain D Leighton 1 John Hiemstra 0000-0003-3148-0206 2 Christoph Weidemann 3
title Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience
spellingShingle Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience
John Hiemstra
Christoph Weidemann
title_short Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience
title_full Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience
title_fullStr Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience
title_full_unstemmed Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience
title_sort Recognition of micro-scale deformation structures in glacial sediments - pattern perception, observer bias and the influence of experience
author_id_str_mv fa99fa6ac238739f5e92fd88069c4036
b155eeefe08155214e70fea25649223c
author_id_fullname_str_mv fa99fa6ac238739f5e92fd88069c4036_***_John Hiemstra
b155eeefe08155214e70fea25649223c_***_Christoph Weidemann
author John Hiemstra
Christoph Weidemann
author2 Iain D Leighton
John Hiemstra
Christoph Weidemann
format Journal article
container_title Boreas
container_volume 42
container_issue 2
container_start_page n/a
publishDate 2013
institution Swansea University
issn 0300-9483
doi_str_mv 10.1111/j.1502-3885.2011.00246.x
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
url http://cogsci.info/papers/LeightonEtAl2013.pdf
document_store_str 0
active_str 0
description It is a scientist's mission to try to remain unbiased. However, certain factors play a role in scientific analyses that are not controlled by conscious thought. These factors are potentially very important in areas of science where interpretations are based on a scientist's ability to identify patterns or structures. One such area is the micromorphology of glacial sediments. In this paper we investigate the role of an analyst's experience in relation to pattern perception with specific reference to turbate microstructures in glacial diamictons. An experiment was conducted on 52 participants, which demonstrated that, as may be expected, more experienced (glacial) micromorphologists tend to exhibit a higher sensitivity-to-signal, but that complete novices, if given clear instructions, can reach levels of sensitivity similar to those of experts. It also showed, perhaps more surprisingly, that response bias does not decrease with experience. We discuss psychological factors, such as the drive for success and consistency, that may have contributed to these results and investigate their possible implications in the micromorphological analysis and interpretation of glacial sediments.
published_date 2013-02-06T03:08:43Z
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score 11.012678

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