Consumer confusion of percent differences

Journal of Consumer Psychology

Volumn 18, Issue 1, 2008, Pages 49-61

  Kruger, Justin ^a   Vargas, Patrick ^b  

^a NEW YORK UNIVERSITY   (United States)

^b UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

Author keywords

Advertising; Consumer behavior; Heuristics and biases; Innumeracy; Judgment and decision making

Indexed keywords

EID: 44249122793     PISSN: 10577408     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jcps.2007.10.009     Document Type: Article

References (57)

1. Banks W.P., and Hill D.K. The apparent magnitude of number scaled by random production. Journal of Experimental Psychology 102 (1974) 353-376
2. Behr M.J., Post T.R., and Wachsmuth I. Estimation and children's concept of rational number size. In: Schoen H.L., and Zweng M.J. (Eds). National Council of Teachers of Mathematics Yearbook (1986) 103-111
3. Bettman J.R., Johnson E.J., and Payne J.W. A componential analysis of cognitive effort in choice. Organizational Behavior and Human Decision Processes 45 (1990) 111-139
4. Brown G.W., and Kinney L.B. Let's teach them about ratio. Mathematics Teacher 66 (1973) 352-355
5. Bureau of Transportation Statistics (2007), National Transportation Statistics, 2006. Retrieved November 25, 2007, from http://www.fbi.gov/ucr/cius2006/offenses/violent_crime/murder_homicide.html.
6. Cheema A., and Soman D. Malleable mental accounting: The effect of flexibility on the justification of attractive spending and consumption decisions. Journal of Consumer Psychology 16 (2006) 33-44
7. Chen H., and Rao A.R. When two and two is not equal to four: Errors in processing multiple percentage changes. Journal of Consumer Research 34 (2007) 327-340
8. Coulter K.S., and Coulter R.A. Size does matter: The effects of magnitude representation congruency on price perceptions and purchase likelihood. Journal of Consumer Psychology 15 (2005) 64-76
9. Combs, B., & Slovic, P. (1979). Causes of death: Biased newspaper coverage and biased judgments. Journalism Quarterly, 56, 837-843, 849.
10. Cosmides L., and Tooby J. Are humans good intuitive statisticians after all? Rethinking some conclusions from the literature on judgment under uncertainty. Cognition 58 (1996) 1-73
11. Davis R.B. Is "percent" a number?. Journal of Mathematical Behavior 7 (1988) 299-302
12. Dewdney A.K. 200% of nothing: An eye-opening tour through the twists and turns of math abuse and innumeracy (1993), Wiley, New York, New York
13. Dhar R., Nowlis S.M., and Sherman S.J. Comparison effects on preference construction. Journal of Consumer Research 26 (1999) 293-306
14. Diener E., and Fugita F. Social comparisons and subjective well-being. In: Buunk B.P., and Gibbons F.X. (Eds). Health, coping, and well-being: Perspectives from social comparison theory (1997), Lawrence Erlbaum, Mahwah, New Jersey 329-357
15. Dunning D. Self-image motives and consumption behavior: How sacrosanct self-beliefs sway preferences in the marketplace. Journal of Consumer Psychology 17 (2007) 237-249
16. Dunning D. Self-image motives: Further thoughts and reflections. Journal of Consumer Psychology 17 (2007) 258-260
17. Federal Bureau of Investigation (2007), Crime in the United States, 2006. Retrieved November 25, 2007, from http://www.fbi.gov/ucr/cius2006/offenses/violent_crime/murder_homicide.html.
18. Fisher L.C. Strategies used by secondary mathematics teachers to solve proportion problems. Journal for Research in Mathematics Education 19 (1988) 157-168
19. Frederick S. Cognitive Reflection and Decision Making. Journal of Economic Perspectives 19 (2005) 25-42
20. Gallistel C.R., and Gelman R. Preverbal and verbal counting and computation. Cognition 44 (1992) 43-74
21. Gigerenzer G., and Edwards A. Simple tools for understanding risks: From innumeracy to insight. British Medical Journal 327 (2003) 741-744
22. Gilovich T., Vallone R., and Tversky A. The hot hand in basketball: On the misperception of random sequences. Cognitive Psychology 17 (1985) 295-314
23. Guiler W.S. Difficulties encountered by college freshman in fractions. Journal of Educational Research 39 (1945) 102-115
24. Hoffrage U., Lindsey S., Hertwig R., and Gigerenzer G. Communicating statistical information. Science 290 (2000) 2261-2262
25. Houston D.A., and Sherman S.J. Cancellation and focus: The role of shared and unique features in the choice process. Journal of Experimental Social Psychology 31 (1995) 357-378
26. Hoz R., and Gorodetsky M. Cognitive processes in reading and comparing pure and metric decimal rational numbers. Journal of Structural Learning 19 (1989) 53-71
27. Hunting R.P., and Sharpley C.F. Preschoolers' cognitions of fraction units. British Journal of Educational Psychology 58 (1988) 172-183
28. Jain S.P., Slotegraaf R.J., and Lindsey C.D. Towards dimensionalizing warranty information: The role of consumer costs of warranty redemption. Journal of Consumer Psychology 17 (2007) 70-80
29. Jarvis B. DirectRT (Version 2004) [Computer software] (2005), Empirisoft Corp, New York
30. Kahneman D., and Tversky A. On the psychology of prediction. Psychological Review 80 (1973) 237-251
31. Kahneman D., and Tversky A. Prospect theory: An analysis of decision under risk. Econometrica 47 (1979) 263-291
32. Kirsch I.S., Jungeblut A., Jenkins L., and Kolstad A. Adult literacy in America: A first look at the findings of the National Adult Literacy Survey (3rd ed.) Vol. 201 (2002), National Center for Education, U.S. Department of Education, Washington, DC
33. Klar Y., and Giladi E.E. No one in my group can be below the group's average: A robust positivity bias in favor of anonymous peers. Journal of Personality and Social Psychology 73 (1997) 885-901
34. Klar Y., and Giladi E.E. Are most people happier than their peers, or are they just happy?. Personality and Social Psychology Bulletin 25 (1999) 585-594
35. Klar Y., Medding A., and Sarel D. Nonunique invulnerability: Singular versus distributional probabilities and unrealistic optimism in comparative risk judgments. Organizational Behavior and Human Decision Processes 67 (1996) 229-245
36. Kruger J., and Burrus J. Egocentrism and focalism in unrealistic optimism (and pessimism). Journal of Experimental Social Psychology 40 (2004) 332-340
37. Kruger J., Galak J., and Burrus J. When consumers' self-interest motives fail. Journal of Consumer Psychology 17 (2007) 250-253
38. Kruger J., Savitsky K., and Gilovich T. Superstition and the regression effect. Skeptical Inquirer 23 (1999) 24-29
39. Lembke L.O., and Reys B.J. The development of, and interaction between, intuitive and school-taught ideas about percent. Journal for Research in Mathematics Education 25 (1994) 237-259
40. Lipkus I.M., Samsa G., and Rimer B.K. General performance on a numeracy scale among highly educated samples. Medical Decision Making 21 (2001) 37-44
41. Mantel S.P., and Kardes F.R. The role of direction of comparison, attribute-based processing, and attitude-based processing in consumer preference. Journal of Consumer Research 25 (1999) 335-352
42. Mix K.S., Levine S.C., and Huttenlocher J. Early fraction calculation ability. Developmental Psychology 35 (1999) 164-174
43. Monroe K. Pricing: Making profitable decisions (2003), McGraw-Hill/Irwin, New York
44. Moss J., and Case R. Developing children's understanding of the rational numbers: A new model and an experimental curriculum. Journal for Research in Mathematics Education 30 (1999) 122-147
45. Nisbett R.E., and Wilson T.D. Telling more than we can know: Verbal reports on mental processes. Psychological Review 84 (1977) 231-259
46. Parker, M. (1994). Instruction in percent: Moving prospective teachers under procedures and beyond conversations (Doctoral dissertation, University of Pittsburgh, 1994). Dissertation Abstracts International, 55(10), 3127A.
47. Parker M. The ups and downs of percent (and some interesting connections). School Science and Mathematics 97 (1997) 6-12
48. Parker M., and Leinhardt G. Percent: a privileged proportion. Review of Educational Research 65 (1995) 421-481
49. Paulos J.A. Innumeracy: Mathematical illiteracy and its consequences (1988), Hill and Wang, New York
50. Peters E., Vastfjall D., Slovic P., Mertz C.V., Mazzocco K., and Dickert S. Numeracy and decision making. Psychological Science 17 (2006) 407-413
51. Sedikides C., Gregg A.P., Cisek S., and Hart C.M. The I that buys: Narcissists as consumers. Journal of Consumer Psychology 17 (2007) 254-257
52. Tversky A., and Kahneman D. Belief in the law of small numbers. Psychological Bulletin 76 (1971) 105-110
53. Tversky A., and Kahneman D. The framing of decisions and the psychology of choice. Science 211 (1981) 453-458
54. Venezky R.L., and Bregar W.S. Different levels of ability in solving mathematical word problems. Journal of Mathematical Behavior 7 (1988) 111-134
55. Windschitl P., Kruger J., and Simms E. The influence of egocentrism and focalism on people's confidence in competitions: When what affects us equally affects me more. Journal of Personality and Social Psychology 85 (2003) 389-408
56. Woloshin S., Schwartz L.M., Black W.C., and Welch H.G. Women's perceptions of breast cancer risk: How you ask matters. Medical Decision Making 19 (1999) 221-229
57. Wood J.V. What is social comparison and how should we study it?. Personality and Social Psychology bulletin 22 (1986) 520-537