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Searching and evaluating information on the Web - an (experimental) psychological perspective
Published on Mar 24, 20123399 Views
In recent years the World Wide Web (WWW) has evolved into a major information resource enabling its users to comfortably and instantly retrieve an unprecedented amount of information on almost any t
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Chapter list
Searching and evaluating information on the Web – an (experimental) psychological perspective00:00
Information resource World Wide Web00:41
Web search about a complex health-related issue (1)02:54
Web search about a complex health-related issue (2)03:21
High heterogeneity of information sources on the Web (1)04:18
High heterogeneity of information sources on the Web (2)05:26
High heterogeneity of information sources on the Web (3)05:39
Information seeking process on the Web (1)06:24
Information seeking process on the Web (2)09:09
However, previous research shows09:27
Potential influencing factors of information seeking activities10:14
Potential influencing factors of trustworthiness evaluations examined in our studies11:49
Analysis of evaluation processes occurring during Web search12:25
Individual Variable14:17
STUDY 1: The influence of epistemic beliefs14:25
Internet-specific epistemic beliefs (1)14:39
Internet-specific epistemic beliefs (2)15:07
Web search task and participants16:50
Results (1)17:35
Results (2)19:25
Conclusion20:18
Contextual Variable20:56
STUDY 2: Source-evaluation training for non-academic adults20:59
Components of the training21:49
Characteristics of the training22:19
Example: Motives of the information provider22:51
Example: Intention of the information provider23:57
Excercise: What type of source am I looking for? (1)24:43
Excercise: What type of source am I looking for? (2)25:26
Feedback with explanation26:00
Web search task and participants26:12
Results and Conclusion26:44
Resource Variable28:59
Search engine interface29:06
Two characteristics of standard search engine interfaces29:13
Grid interface with reduced salience of the ranking30:39
Two characteristics of standard search engine interfaces31:03
Tabular interface with increased salience/availability of source information31:11
Two characteristics of standard search engine interfaces31:53
STUDY 3: Grid interface31:59
Grid Interface: cf. „Viewzi“ or „Horizobu“32:04
Web search task and participants32:30
Results33:37
STUDY 3: Tabular interface36:52
Web search task and participants36:55
Results37:16
Conclusion37:56
Current Google interface: Additional source information38:25
Current Google interface: Menu with filtering options39:40
General conclusion: all three types of variables important factors40:27
Thanks for your attention!43:22