Leading People to Longer Queries

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    07-Jul-2015

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  • 1. Leading People to Longer Queries + CHI 2013 -Elena Agapie, et al. / x 2014 winter

2. AUTHOR Elena Agapie Harvard University ->Microsoft Research Fuse LabsGene Golovchinsky FX Palo Alto Laboratory, Inc.Pernilla Qvarfordt FX Palo Alto Laboratory, Inc. 3. INTRODUCTION , -> 4. USER INTERFACE Halo (halo) long queries -> 7 animating color change 5. EXPERIMENT1Search Tasks Search puzzles (A-Google-a-day, agoogleaday.com)Task Question Task 1. (triple-domed) ? Task 2. ( ) ? Task 3. , ? 6. EXPERIMENT1Experimental sw/design web-based system 121. Task Question 2. Answer & Evidence3 -> , 3. Query Box & SearchResults BING search API Filtering google, google a day puzzle question 7. EXPERIMENT1Experimental design 2 X 2 factorial between-subjects experiment design Halo OHalo XInstruction X1 Group 13 Group 1Instruction O2 Group 14 Group 1 Subjects through Mechanical Turk / 100 participants -> 61 completed Analysis of 451 query 8. HypothesesEXPERIMENT1H 1. halo visualization ? (the halo visualization around the query box would result in people typing longer queries)H 2. ? (instruction about the effect of longer queries would result in longer queries) 9. Results two-way ANOVAHalo (F(1, 447) = 5.1, p Halo Instruction (F(1,447) = 41.7, P blue 2) Inverted : blue -> red 3) Static : static blue 4) Control : no haloEXPERIMENT2 13. Hypotheses H1. Halo color (F(3,1073) = 3.876, p Red) : 1 halo / control (6.6 / 4.2 words)2 halo / control (6.52 / 5.73 words) ? -> 2 , (1 0.69 vs 2 0.39) 17. CONCLUSION Search persuasive technology , Mechanical Turk Evaluation 18. DISCUSSION POINT , ? ?