Enhancing Statistical Literacy in Data Representation: The Impact of Problem-Posing Intervention
Enhancing Statistical Literacy in Data Representation: The Impact of Problem-Posing Intervention
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Abstract
İstatistik okuryazarlık, veriyi toplama, analiz etme, temsil etme ve veriden çıkarım yapma bileşenlerini içermektedir. Bu çalışma, problem kurma etkinlikleri temelinde yapılan bir öğretim sürecinin ortaokul öğrencilerinin istatistik okuryazarlık bileşenlerinden veri temsiline etkisini incelemeyi amaçlamaktadı r. Çalışma, Türkiye'deki bir ortaokulda öğrenim gören 32 yedinci sınıf öğrencisiyle yürütülmüştür. Bu öğrencilerden 17’si deney grubunda, 15’i ise kontrol grubunda yer almıştır. Çalışmada, karma yöntem araştırma deseni tercih edilmiş olup, nicel veriler ya rı deneysel bir yöntemle toplanmıştır. İstatistiksel süreci temel alan problem kurma etkinlikleriyle istatistik öğretiminin yapıldığı deney grubunun aksine, kontrol grubunda öğretmenin süre gelen öğretim yöntemi uygulanmıştır. Öğrencilerin istatistiksel ye terliğini ölçmek amacıyla istatistik okuryazarlığın veri temsili bileşenine odaklanan bir test geliştirilmiştir. İstatistik okuryazarlık düzeylerini tespit etmek için ise mülakat soruları hazırlanmıştır. Mülakatlara katılacak öğrenciler, uygulama öncesinde her iki gruba uygulanan yordama testinin sonuçlarına göre seçilmiştir. Testlerin geçerlik ve güvenirliğinin incelenmesi ile öğrencilerin sergiledikleri performansların analizi Rasch Kuramı temelinde gerçekleştirilmiştir. Testlerin uygulanmasıyla erişilen ham puanların öncelikle lineer puanlara dönüşümü yapılmıştır. Daha sonra bu puanların frekansları ve yüzde dağılımları ile birlikte bağımsız t - testi ve ANCOVA analizleri yapılmıştır. Çalışma sonunda elde edilen bulgular veri temsili bileşeninde istatistiks el yeterlilik açısından deney grubu öğrencileri lehine anlamlı farklılık olduğunu ortaya koymuştur. Gerçekleştirilen mülakatlar deney grubundaki öğrencilerin istatistik okuryazarlık düzeyi bakımından üst seviyede performans sergilediğini ortaya koymuştur. Araştırmanın sonuçları doğrultusunda, öğrencilerin istatistiksel yeterliliğinin gelişimini desteklemek ve istatistiksel okuryazarlık düzeylerini artırmak amacıyla, öğretim sürecinin istatistiksel süreç temelinde yapılandırılmış problem kurma etkinliklerine dayalı deneyimler sunması tavsiye edilmektedir .
Statistical literacy includes the components of data collection, data analysis, data representation, and drawing inferences from data. This study aims to investigate the impact of a teaching environment based on problem-posing activities on middle school students' statistical literacy, specifically on the data representation component. The study was conducted with 32 seventh-grade students in a middle school in Turkey. 17 students were in the experimental group, and 15 were in the control group. In the study, a mixed-methods research design was adopted, wherein quantitative data were collected using a quasi-experimental method. In the experimental group, teaching was conducted using problem-posing activities, while the control group continued with the teacher’s ongoing teaching method. A test was developed to determine the students' statistical competency in the data representation component of statistical literacy. Interview questions were also developed to assess the students' levels of statistical literacy. The students who participated in the interviews were selected based on the results of a prediction test administered to both groups before the intervention. Validity and reliability studies for the tests, as well as the analysis of the answers given by the students, were conducted using the Rasch model. The raw scores obtained from the tests were first converted into linear measures. Subsequently, frequencies, percentage distributions, independent t-test, and ANCOVA analyses were performed. The findings of the study indicated that there was a statistically significant difference in favor of the experimental group students in terms of the data representation component of statistical literacy. Additionally, the interview results revealed that students in the experimental group demonstrated high-level performance in statistical literacy. Based on these results, it is recommended that learning environments offer experiences based on problem-posing activities in the context of statistical processes, to support the development of students' statistical competencies and improve their statistical literacy levels.
Statistical literacy includes the components of data collection, data analysis, data representation, and drawing inferences from data. This study aims to investigate the impact of a teaching environment based on problem-posing activities on middle school students' statistical literacy, specifically on the data representation component. The study was conducted with 32 seventh-grade students in a middle school in Turkey. 17 students were in the experimental group, and 15 were in the control group. In the study, a mixed-methods research design was adopted, wherein quantitative data were collected using a quasi-experimental method. In the experimental group, teaching was conducted using problem-posing activities, while the control group continued with the teacher’s ongoing teaching method. A test was developed to determine the students' statistical competency in the data representation component of statistical literacy. Interview questions were also developed to assess the students' levels of statistical literacy. The students who participated in the interviews were selected based on the results of a prediction test administered to both groups before the intervention. Validity and reliability studies for the tests, as well as the analysis of the answers given by the students, were conducted using the Rasch model. The raw scores obtained from the tests were first converted into linear measures. Subsequently, frequencies, percentage distributions, independent t-test, and ANCOVA analyses were performed. The findings of the study indicated that there was a statistically significant difference in favor of the experimental group students in terms of the data representation component of statistical literacy. Additionally, the interview results revealed that students in the experimental group demonstrated high-level performance in statistical literacy. Based on these results, it is recommended that learning environments offer experiences based on problem-posing activities in the context of statistical processes, to support the development of students' statistical competencies and improve their statistical literacy levels.
Description
Fields of Science
05 social sciences, 0503 education
Citation
WoS Q
Scopus Q
Volume
15
Issue
1
Start Page
45
End Page
62
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