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INFO 414 Information Behavior

INFO 414 Information Behavior. Models of information behavior. Classic IR Model. Document. Document Representation. Query. Information Need. Match. Berrypicking. Berrypicking focuses is on the sequence of searcher behaviors Query is evolving

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INFO 414 Information Behavior

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  1. INFO 414 Information Behavior Models of information behavior

  2. Classic IR Model Document Document Representation Query Information Need Match

  3. Berrypicking • Berrypicking focuses is on the sequence of searcher behaviors • Query is evolving • Searchers may use different search strategies in a single query • Implications for design of information systems

  4. Berrypicking Q3 Q5 Q1 T T T T T Q2 Q4 E Q0 T=thought, Q=query variation, E=exit, =documents, information

  5. Ellis (1989) – Searching Methods • Starting: Looking for information in a new area on on a new topic. • Chaining: Searching by following citation connections between materials. • Differentiating: Selecting information sources based on their orientation and intended audience.

  6. Ellis (1989) – Searching Methods • Monitoring: The continuous monitoring of developments in a field of study • Extracting: Going through a particular source selectively identifying relevant material from that source

  7. Ellis (1989) • Information-seeking patterns of social scientists • Six characteristics: • Starting • Chaining • Browsing • Differentiating • Monitoring • Extracting

  8. Ellis (1989) • Behavioral Model of Information Seeking Diagrammatic presentation suggested by Wilson, 1999

  9. Kuhlthau (1991) • six stages in the information search process • incorporated in three realms • affective - feelings • cognitive - thoughts • physical - actions

  10. Kuhlthau (1991) • Stages • initiation - the first awareness of a lack of knowledge or understanding • selection - identifying the general topic of the approach to be pursued • exploration - investigating information on the general topic, to improve orientation sufficiently to form a focus for resolving the problem

  11. Kuhlthau (1991) • formulation - forming a focus for the information encountered • collection - extends and supports the focus and selects information pertaining specifically to the focus • presentation - completing the search and preparing to present or otherwise use the findings

  12. Kuhlthau’s model of the information search process Stages in ISP Feelings Thoughts Actions Appropriate task common to Common to common to According to Kuhlthau each stage each stage each stage Model 1. Initiation Uncertainty General Seeking Recognise Vague Background Information 2. Selection Optimism Identify 3. Exploration Confusion/ Seeking Frustration Relevant Information 4. Formulation Clarity Narrowed/ Formulate Clearer 5. Collection Sense of Increased Seeking Gather Direction/ Interest Relevant or Confidence Focused Information 6. Presentation Relief/ Clearer or Complete Satisfaction Focused or Disappointment

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