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A Design Based Research for Integration of Online Animation Videos for Teaching Cell Cycle in Biology

Thesis Info

Author

Abdul Hadi

Department

Institute for Educational Development, Karachi

Program

MEd

Institute

Aga Khan University

Institute Type

Private

City

Karachi

Province

Sindh

Country

Pakistan

Thesis Completing Year

2018

Thesis Completion Status

Completed

Subject

Education

Language

English

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676728018232

Similar


This study follows a design based research approach for the integration of biology online animation videos as instructional material with enhanced interactivity for class IX biology students. The traditionally used instructional material was re-designed into an interactive instructional material aimed to promote student centered instructional design for active engagement by using freely available web based technological affordance. The instructional design used in this study is informed by theories like cognitive theory of multimedia and technological pedagogical content knowledge. The design based research approach offered a theory grounded technology integration, in which online instructional material was designed, implemented, reflected and re-designed to refine iteratively towards enhancement of instructional design for use by other practitioners and researchers. The study employed a qualitative method, including interview from biology practitioner, focus group discussions from students, classroom observations, reflective journals by researcher and practitioner and students’ progress report available on website. Data was analyzed by using qualitative data analysis technique. Three key findings stood out; integration of online interactive animation videos as an innovative pedagogy, design based principles for using online animation videos with enhanced interactivity and collaborative reflective practices for enhancing pedagogy and instructional design. Furthermore, the pragmatic outcomes of this study signify the value of the educational design-research approach as a realistic and effective method for reflective researchers and practitioners. The study concludes by offering implications for online animation instructional designers, practitioners, and researchers and sharing recommendations for further research. Key words: Design-based research, innovative pedagogy, interactive animation videos
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۵۳۔ تندور رہک رہا ہے

تندوردہک رہا ہے

تندور دہک رہا ہے

 لوگ بھوکے پڑے ہیں

سب کے بدن سوکھے پڑے ہیں

یہ خواہشوں کے مارے معصوم انسان

انسانوں کے جنگل میں،ضرورتوں کے مارے

معاش کے درخت کاٹتے اور ضرورت کی شاخیں جمع کرتے

اور دیکھتے ہیں

کہیں بہار کی رنگینیاں تو کہیں خزاں کے ویرانے

کہیں خوشیوں کے سریلے گیت تو کہیں آرزوئوں کے ماتم

کوئی ٹانگیں پسارے پڑا ہے تو کوئی...

تعزیرات پاکستان میں سزائے موت سے متعلقہ دفعات کا شرعی قوانین سے تقابلی جائزہ

Law plays a pivotal role in the establishment of any peaceful society. Islam, being proactive, devised important rules about 1400 years back for the safety of Deen, life, wealth, wisdom and Generation. Qatal (murder) is a crime of taking soul of a humanbeing, about which Islam has announced Qisas i.e to do with assissinater what he has done it to killed human being. In the same manner Pakistan penal Code has gathered rules about crimes steped out in Pakistan. So Pakistan penal code, under several sections has the same punishment. This artcle throws light on Pakistan penal code sections about death Senctance in perspective of Islamic imperium, order and explanation.

Encapsulation of Bifidobacterium Bifidum for its Bio-Therapeutic Potential

Health claims of probiotic functional foods are well recognized in this era that include antimicrobial activities, resistance against cancer, total sugar metabolism improvement, serum cholesterol reduction, antibiotic therapy and activation of immune system. Longevity of probiotics in food products is the main concern for maximum utility as value added and therapeutic food products. Microencapsulation is an innovative technique and of prime importance to keep lactic acid bacteria (LAB) alive/viable during product storage and GIT transit. The objective of the present study was to investigate the effect of encapsulation on stability of B. bifidum ATCC 35914 during GIT transit, heat treatment and in yoghurt production. The impact of microbeads on the hypercholesterolemia was also under consideration.The encapsulation was carried out in two experimental plans. In plan I, the B. bifidum ATCC 35914 were single coated with sodium alginate (SA) at 4, 5 and 6% and chitosan (CH) at 0.6, 0.8 and 1.0% concentrations into micro beads.Based on their higher viable count and encapsulation efficiency, micro beads prepared with SA 6% and CH 0.8% were selected for the experimental plan II, where these micro beads were further (double) coated with whey protein concentrate (WPC) using 5.0, 7.5 and 10.0% concentration levels. From this part of study micro bead prepared with SA 6% - WPC 5% and CH 0.8% - WPC 5% were selected based on their efficiency. During examination under SEM, SA 6% - WPC 5% micro beads appeared as hollow structured particles with blow-hole on the surface, while CH 0.8% - WPC 5% micro beads exhibit uneven shrinkage and wrinkled in shape. In-vitro study demonstrated that free cells of B. bifidum were extremely sensitive as compared to SA 6% - WPC 5% and CH 0.8% - WPC 5% micro beads during GIT tolerance. The free cells of B. bifidum ATCC 35914 were extremely sensitive to acidic (pH 2.0) as compared to alkaline environments.It was concluded from this experiment that encapsulated double layered B. bifidum ATCC 35914 micro beads survive better at pH of 3.0 for at least 90 min in simulated gastric juice as well as at the pH range of 7.0-7.5 in simulated intestinal juice, and showed higher viability (up to 6 Log10 CFU/mL). It was also observed that the complete release of the cells from the micro beads was achieved at 4th h incubation with the significant retention in the survival rates of the probiotic strain.It was concluded from heat tolerance that double coated micro beads showed the higher heat tolerance at 35 ºC for 60 min as compared to free cells. The double coated probiotic micro beads when added in yoghurt production along with the starter cultures showed the non-significant difference during sensory evaluation with the control. The viable count of probiotic and yoghurt cultures were affected significantly (p < 0.01) during refrigerated storage of yoghurt. In-vivo study showed that drugs had the higher effect than encapsulated micro beads. The micro beads containing SA 6% - WPC 5% were better in the reduction of cholesterol in rats than free cells and micro beads of CH 0.8% - WPC 5%. It was concluded from the whole study that double encapsulation using CH 0.8% - WPC 5% has more potential to increase the viability of probiotics than free cell. They have higher resistant to GIT and thermal conditions, hence the micro beads containing SA 6% - WPC 5% showed more potential in the reduction of blood cholesterol level.