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Exploring Efficacy of Geogebra in Development of Geometrical Reasoning Skills of Students of Grade 7

Thesis Info

Author

Salim, Zeenar

Department

Professional Development Centre, Karachi

Program

MEd

Institute

Aga Khan University

Institute Type

Private

City

Karachi

Province

Sindh

Country

Pakistan

Thesis Completing Year

2014

Thesis Completion Status

Completed

Subject

Education

Language

English

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676727908417

Similar


In the Pakistani context, teachers and students often find it difficult to teach and learn geometry, particularly proofs using deductive reasoning skills. Dynamic Geometry Software (DGS) is a widely recognised tool that mediates students’ reasoning skills. However, its efficacy in developing the reasoning skills has not yet been explored in the Pakistani school contexts. Before spending the time and resources in integrating the software in geometry instruction, it is necessary to investigate the effectiveness of DGS in the Pakistani context. This study, therefore, aimed at determining the effect of DGS (Geogebra) on reasoning skills of students of Grade 7 in one of the private schools in Karachi, Pakistan. The study used quasi-experimental pre-test and post-test design. Sample of 40 and 36 students comprised Experiment Group (EG) and Control Group (CG), respectively. In the pre-test CG performed significantly better than EG (U=468, z=-2.659, pr=0.31). However, in the post-test, score of EG (Mdn=6.50) was higher, as compared to score of CG (Mdn=6.00), although the difference was not significant which is represented by small sized effect (U =615.50, z=-1.098, p>0.05, r=0.125). Specifically, DGS-based instructions resulted in significant improvement at visualisation level as compared to the instructions without DGS. However, both instructions (with and without DGS) were equally helpful at the analysis and deduction level. Nevertheless, no improvement was reported at the informal deduction level. The findings of this study encourage the practitioners to use DGS for the development of students’ geometrical reasoning, especially while designing the instructions at visualisation level.
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یہ ہنر آزما کے دیکھتے ہیں

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اب کے اُن کو بھلا کے دیکھتے ہیں

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اب کے ہم بھی تو بے وفا ہو کر
جوش اُس کی وفا کے دیکھتے ہیں

کوئی اپنا نکل بھی سکتا ہے
ہاتھ سب سے ملا کے دیکھتے ہیں

درد میں آئے کچھ کمی شاید
آس کا گھر جلا کے دیکھتے ہیں

مل ہی جائے گا شعلۂ امید
گردِ اِیذا ہٹا کے دیکھتے ہیں

یاروں کی کھوجتے ہیں اب نیت
اپنا مقتل سجا کے دیکھتے ہیں

جو بھی ہوتا ہے خوش یہاں اُس کو
درد سے، منہ اُٹھا کے دیکھتے ہیں

جو بھی آتا ہے اُس گلی سے ہم
پاس اُس کو بٹھا کے دیکھتے ہیں

قرآن کا اسلوب دعوت اور معاشرے پر اس کے اثرات

Human is a combination of a body and soul, in which body is nurtured by means of energy that is present around the world, but regarding soul, he has not provide nourishment in this world. For his soul’s nourishment, Allah has revealed prophets from Adam Alehi Salaam to Muhammad Sallallaho Alaehi Wasallam with books, these books are with different methodologies, as creator knows that there is no definite way which can appeal human mind and soul. God manifested the color of love in psalm through songs, instructions have been given through stories in Touraat and Bible has proven it be the best model of proverbs. Quran which is the last revelation of God, combined all above ways to open the door to soul. It has reflection of David’s songs, Glory of Moses and divine glance of Maseeh (P.B.U.T) it has restrictions of Sharia laws and spirituality. Aim of Holy Quran is just not to conquer the opponent by logical argument but it open his heart for right path - for this reason the book itself explained way to call the people towards Islam. It says call people to the way with wisdom and fair of exhortation and reason with them in the best possible way. These rules are only effective when followed with love and well-wishing which is shown through soft and lenient tone. In this article, I have discussed concept and need of Dawat, basic pillars and etiquettes in the light of Holy Quran and Hadith.

The Prevalence of Postoperative Pain Following Day Surgery in the First 48 Hours at Aga Khan University Hospital, Nairobi

Introduction: Day case surgery services are increasing all over the world. The prevalence of postoperative pain after day surgery is found to be high ranging from 17% to 60%. Little is known about the prevalence of postoperative pain, in Kenya and East Africa, after day case surgeries. Objective: The objectives of this study were to investigate the prevalence of postoperative pain after day surgery at Aga Khan University (AKUH), Nairobi, to determine the severity/intensity of postoperative pain following day case surgery, and to determine the influence of anxiety and worry on the patients report on postoperative pain. Study site: The Aga Khan University Hospital, Nairobi. Study design: Prospective, non-interventional study. Study population: All patients aged between 18 and 68 years scheduled for day surgery at Aga Khan University Hospital, Nairobi. Sample size: One hundred and fifty patients. Duration of the study: This is a prospective study that was carried out between March and June 2009. Methodology: Consecutive sampling was carried out until sample size was achieved. The purpose and nature of the study was explained to patients before informed consent was obtained. They were explained how to score their pain by using a visual analogue scale prior to the surgical procedure. A questionnaire was used to collect data from the patients. Follow up information was obtained through interviews over the telephone at 24 and 48 hours, after discharge from the DSU. Results: The prevalence of postoperative pain after day care surgery was found to be 58% within 30mins postoperatively, 55.3% after 24 hours, and 34.7% after 48 hours following surgery. The prevalence of moderate to severe postoperative pain was 9.6%. This study has shown that the association between postoperative pain and anxiety was significant at 24 hour and 48 hour follow up. However such association with worry was significant only at 48 hour follow up. Conclusion: The overall prevalence of postoperative pain after day surgery at the Aga Khan University Hospital, Nairobi was noted to be different from what has been reported in the literature. The prevalence of moderate and severe pain however, is less than reported in the literature.