2014
DOI: 10.1007/s10649-014-9544-4
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On skepticism and its role in the development of proof in the classroom

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Cited by 21 publications
(9 citation statements)
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“…Another reason for classifying the students' arguments as invalid was that they used numbers to verify the statements instead of proving them. In fact, students at various levels, even undergraduate students, think that numerical values and examples are more convincing than mathematical proofs (Brown, 2014;Jahnke, 2007;Martin & Harel, 1989;Segal, 2000;Stylianides & Stylianides, 2009). However, Weber (2010) stated that most of the mathematics majors who completed a transition to proof course did not accept empirical arguments as proof.…”
Section: Discussion Implications and Recommendationsmentioning
confidence: 99%
“…Another reason for classifying the students' arguments as invalid was that they used numbers to verify the statements instead of proving them. In fact, students at various levels, even undergraduate students, think that numerical values and examples are more convincing than mathematical proofs (Brown, 2014;Jahnke, 2007;Martin & Harel, 1989;Segal, 2000;Stylianides & Stylianides, 2009). However, Weber (2010) stated that most of the mathematics majors who completed a transition to proof course did not accept empirical arguments as proof.…”
Section: Discussion Implications and Recommendationsmentioning
confidence: 99%
“…Moreover, dilemma form proofs are of interest since they can be viewed as a natural extension of students' early reasoning with proofs by cases -extensions which call on the student to reason with inherent uncertainties and, therefore, employ a form of reasoning necessary for engaging in advanced mathematics. Indeed, since uncertainty and doubt have been shown to be a driving force for the production of proofs (Zaslavsky 2005;Brown 2014) and prior research (Leron 1985;Harel and Sowder 1998) had indicated that students' sense of conviction is tied to issues of constructiveness when presented with proofs by contradiction (i.e., when learners are called to reason from false premises), it seemed likely that similar reactions might be found when students are called on to obtain conviction from an inherent uncertainty (i.e., when students are called to reason from multiple premises, one or more of which might be false); that is, dilemma proofs. 6…”
Section: Argument Bmentioning
confidence: 99%
“…While students' methods of obtaining personal conviction and persuading others are related, they are not identical (Segal 2000). In particular, students might recognize that an empirical argument is not an acceptable proof, but still find it personally convincing (Brown 2014;Healy and Hoyles 2000;Segal 2000) and they may believe that proofs must include symbols or be written in a two-column format, even if they find arguments lacking symbols or written as a narrative paragraph to be convincing (e.g., Healy and Hoyles 2000;Martin and Harel 1989). In this paper, we are concerned with the persuasive aspect of mathematics majors' proof schemes-what types of inferences do students think are acceptable in a mathematical proof?…”
Section: Students' Proof Schemesmentioning
confidence: 99%
“…When given proving tasks, such students rarely submit empirical arguments (Iannone and Inglis 2010) and if asked to evaluate such an argument, they will reject it as not meeting the standards of proof (e.g., Bleiler et al 2014;Pfeiffer 2011;Segal 2000;Weber 2010). There is debate as to whether advanced mathematics majors do this because they recognize the limitations of empirical reasoning (Weber 2010) or are merely following the social conventions of their classes or the directives of their instructors (Brown 2014;Segal 2000).…”
Section: Students' Proof Schemesmentioning
confidence: 99%