DiBiano Personally Relevant Algebra Problems

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Robust Learning in Culturally and Personally Relevant Algebra Problem Scenarios

Candace DiBiano, Anthony Petrosino, Jim Greeno, and Milan Sherman

Summary Tables

PIs Candace DiBiano & Anthony Petrosino
Other Contributers
  • Graduate Student: Milan Sherman
  • Staff: Jim Greeno


Pre Study

Study Start Date 09/01/08
Study End Date 12/15/08
Study Site Austin ISD, Texas
Number of Students N = 200
Average # of hours per participant 3 hrs.


Full Study

Study Start Date 2/1/09 or 9/1/09
Study End Date 6/1/09 or 12/15/09
LearnLab Site TBD
LearnLab Course Algebra
Number of Students N = 60-90
Average # of hours per participant 1 hr
Data in DataShop n/a


Abstract

In the original development of the PUMP Algebra Tutor (PAT), teachers had designed the algebra problem scenarios to be "culturally and personally relevant to students" (Koedinger, 2001). However, observations and discussions with teachers in Austin ISD suggest that the problem scenarios are disconnected from the lives of typical urban students. This study will examine whether and the mechanisms by which cultural and personal familiarity with problem scenario context affect comprehension and robust learning. We will use the medium of Cognitive Tutor Algebra for the in-vivo portion of this study, but our aim is not to improve the quality of the software’s problem scenarios. It is instead to study how student diversity affects cognition and learning, by using the power of a computer system that has the ability to do what classroom teachers cannot – personalize each problem to the background and interests of each individual student.

The research will begin in Fall of 2008 with a study of the cultural and personal interests of urban students in Austin ISD. Freshman algebra students will be surveyed and interviewed over their interests, such as sports, music, movies, etc., and the results of this study will be used to rewrite the algebra problem scenarios in one section of the Cognitive Tutor software. Also during the Fall of 2008, a smaller group of students at a Pittsburgh Learnlab site will be surveyed on their interests to ensure they are comparable to Austin students. In the Spring of 2009 at the Pittsburgh Learnlab site (*this may be delayed until Fall 2009), the Cognitive Tutor software will be programmed to give students an interests survey, and then select problem scenarios that match user interests. The resulting robust learning, measured by curriculum progress and mastery of knowledge components, will be analyzed with a 3-group design to measure the effects of the personalization.

This research will be integrated with a study incorporating think-aloud protocols of students solving algebra problems in familiar and unfamiliar contexts to examine how personal relevance and cultural familiarity interacts with conceptual difficulty in interpreting the problem.

Background and Significance

This research direction was initiated by the observation of classrooms in Austin, Texas using the Cognitive Tutor Algebra I software, as well as discussions with teachers that had implemented this software at some point in their teaching career. Teacher complaints were consistently centered not around the interface, the feedback, or the cognitive model of the software, but on the problem scenarios. Teachers explained that their urban students found problems about harvesting wheat “silly,” “dry,” and irrelevant. Teachers also complained that some of the vocabulary words in the Cognitive Tutor problem scenarios (one example was the word “greenhouse”) confused their students because urban freshman do not typically discuss these topics in their everyday speech. It’s important to note that as part of the development of the PUMP Algebra Tutor (PAT), teachers had designed problems to be "culturally and personally relevant to students" (Koedinger, 2001). This research is designed to empirically test the claim that the cultural and personal relevance of problem scenarios affects robust learning.

Note: Currently, no Austin ISD schools use the Cognitive Tutor Algebra software, due to lack of teacher and administrative support, and a “back to the basics” political shift in Texas. I previously conducted research on the plethora of logistical, technical, political, and pedagogical dilemmas Texas teachers encounter when trying to implement the Cognitive Tutor software, which is why I believe strongly that in order for this research to be feasible, the in vivo portion needs to be conducted at a Learnlab site.

Research Questions

  • How will robust learning be affected when personalization through culturally relevant problem scenarios is implemented instead of the current problem scenarios in the Cognitive Tutor Algebra I software?
  • How will robust learning be affected when current problem scenarios in the Cognitive Tutor Algebra I software are stripped of many of their contextual clues?

Independent variables

Three treatment groups:

  • Students recieve current Cognitive Tutor Algebra problems
  • Students recieve matched Cognitive Tutor Algebra problems stripped of most contextual clues
  • Students recieve matched culturally relevant Cognitive Tutor Algebra problems personalized according to student interest survey


Treatment Example Problem Recieved By
Problem scenarios stripped of most context A task takes 30 minutes to complete. How many times can you complete the task in 3 hours? 25-30 randomly-assigned Algebra I students at Learnlab site
Normal Cognitive Tutor Algebra problem scenarios A skier noticed that she can complete a run in about 30 minutes. A run consists of riding the ski lift up the hill, and skiing back down. If she skiis for 3 hours, how many runs will she have completed? 25-30 randomly-assigned Algebra I students at Learnlab site
Culturally relevant personalized problem scenarios (student selects personal interest in T.V. shows, cultural survey/interview shows strong interest among urban youth in reality shows)

You noticed that the reality shows you watch on T.V. are all 30 minutes long. If you’ve been watching reality shows for 3 hours, how many have you watched?

25-30 randomly-assigned Algebra I students at Learnlab site


Hypothesis

Students in the treatment with culturally and personally relevant problem scenarios will show improved performance in terms of some measures of robust learning as a result of two factors:
(1) increased intrinsic motivation (such as with the REAP Tutor study)
(2) formation of a more detailed and meaningful situation model (Nathan, Kintsh, & Young, 1992).

Dependent variables

Method

Connection to Clusters

This research is situated in the Refinement and Fluency cluster. The PSLC’s focusing hypothesis states that “instruction that focuses the learner's attention on valid cues will lead to more robust learning than unfocused instruction or instruction that focuses on less valid cues.” The hypothesis of this proposal is that culturally and personally relevant problem scenarios will better focus the learner’s attention on valid cues, and allow the learner to construct a more detailed situation model (Nathan, Kintsh, & Young, 1992) as a result of the learner having increased comprehension and implicit knowledge of the problem scenario, as well as increased intrinsic motivation. Nathan et al. describe how a situation model can “draw on reader’s knowledge of the world to ‘fill in gaps’ left by a sparse story” (pg. 333). A source of errors in word problems is a tendency for students to construct problem models (e. g., equations) based on superficial processing of problem texts. This can result in calculations that do not make sense in terms of the problem situation. It also fosters belief that algebra doesn’t make any realistic sense. If students are encouraged to construct meaningful situation models — that is, understand the quantitative properties and relations that are in the described situations — this could support greater success in their problem solving and a more meaningful basis for future learning. This study will manipulate the problem scenarios based on learner background, and the effects of a more detailed situation model and increased intrinsic motivation on focus of attention will be measured by the time it takes to reach a given standard of performance, which is a typical dependent variable for this cluster.

This research is also linked with the Coordinative Learning cluster. In an algebra story problem, students coordinate understanding of the situation model (qualitative representation of events in the problem) with the problem model (quantitative model capturing algebraic relationships), and research has found that successful coordination can result in increased algebra problem solving performance (Nathan, Kintsh, & Young, 1992). Thus by changing the “cover story” to be more relevant and intrinsically motivating to the learner, the treatment will promote fluency in students using their real-world knowledge to form a situation model, and students will be more likely to construct situation models that support correct problem models.

References

Clark, R. C. & Mayer, R. E. (2003). E-Learning and the Science of Instruction. Jossey-Bass/Pfeiffer. Cognition and Technology Group at Vanderbilt (1990). Anchored Instruction and its relationship to situated cognition. Educational Researcher, 19(6), 2-10.

Cordova, D. I. & Lepper, M. R. (1996). Intrinsic Motivation and the Process of Learning: Beneficial Effects of Contextualization, Personalization, and Choice. Journal of Educational Psychology, 88(4), 715-730.

Eskenazi, M.; Juffs, A., Heilman, M., Collins-Thompson, K., Wilson, L., & Callen, J. (2006). REAP Study on Personalization of Readings by Topic (Fall 2006). The PSLC Wiki. Retrieved June 21, 2007, from http://www.learnlab.org Fagan, J.F. & Holland, C.H. (2007). Racial equality in intelligence: Predictions from a theory of intelligence as processing. Intelligence 35, 319–334

Koedinger, K. R. (2001). Cognitive tutors as modeling tool and instructional model. In Forbus, K. D. & Feltovich, P. J. (Eds.) Smart Machines in Education: The Coming Revolution in Educational Technology. Menlo Park, CA: AAAI/MIT Press.

Nathan, M., Kintsch, W., & Young, E. (1992). A theory of algebra-word-problem comprehension and its implications for the design of learning environments. Cognition and Instruction, 9(4), 329-389.

McLaren, B., Koedinger, K., & Yaron, D. (2006). Studying the Learning Effect of Personalization and Worked Examples in the Solving of Stoichiometry Problems. The PSLC Wiki. Retrieved June 21, 2007, from http://www.learnlab.org