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An Evaluation of Teaching of Chemistry at Public Secondary Schools in Pakistan

Thesis Info

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Author

Bhutto, Muhammad Ilyas

Program

PhD

Institute

Iqra University

City

Karachi

Province

Sindh

Country

Pakistan

Thesis Completing Year

2015

Thesis Completion Status

Completed

Subject

Education

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/6700/1/Muhammad_Ilyas_Bhutto_Education_2015_Iqra_Univ_Karachi_30.05.2016.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676724488606

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This mixed study evaluated the professional teaching of chemistry through learners’ perspective against the criteria of B.Ed at public secondary schools in Pakistan regarding eight aspects: general professional teaching skills, lesson planning, teaching methods, audio-visual aids, students’ classroom activities and formative assessment, and course coverage of theory and practical. I collected quantitative data through self-developed questionnaire of 70 items using stratified sampling of 350 students from boys-only, girls only, boys in co-education, and girls in co-education across rural and urban schools; however, qualitative data involved 20 students’ semi-structured interviews. A panel of experts and pilot testing refined the tools. The overall Coronbach’s alpha stood at 0.9 and 0.8 for professional teaching and test-items respectively. Descriptive statistics, multiple regression, correlation, independent samples t-test, and ANOVA analyses revealed the failure of existing professional teaching of chemistry. The qualitative thematic analyses and triangulation confirmed it: Dictation of questions and answers as dominant teaching method, and constantly locked science laboratories and equipments emerged as the major themes. Laboratory experimentation, audio-visual aids, chemistry theory, and teaching methods strongly predicted students’ test-scores with 41.7% surety. However, demographic variables: Students’ favorite subject, home study, parents’ income, and students’ gender weakly predicted learners’ test-scores. Independent samples t-test and ANOVA analyses revealed that EVALUATION OF TEACHING OF CHEMISTRY 2 students devoting more time to home-study and tuition, especially in natural sciences, and students’ from separate schools for gender, and parents with higher earning and rank got significantly different test-scores; however, gender and parents’ education had no significant differences. I presented feasible and realistic recommendations to the concerned stakeholders. Key words: evaluation, chemistry, professional training, teaching, secondary schools
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لومڑی دی چالاکی تے خرگوش

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کسے جنگل وچ خرگوشاں دی اک جوڑی رہندی سی۔ بہت سوہنے اک خرگوش تے اک خرگوشنی ہسدے کھیڈدے اوہناں دے دن بہت پیار نال گزر رہے سن۔ دونویں اک دوسرے دا بہت خیال رکھدے سن۔ اک دوسرے دی گل مندے۔ اوہناں وچکار کدے وی کسے گل تے جھگڑا نئیں سی ہویا۔ دونویں مل کے شکار کردے تے مل کے کھاندے سن۔

اک دن اچانک جدوں اوہ گھر دے باہر کھیڈ رہے سن کہ اک بھیڑیا آ گیا۔ اوہنے جدوں موٹے تازے خرگوش ویکھے تاں اوس دی نیت وچ فتور آ گیا۔ اوس خرگوش اتے حملہ کیتا۔ خرگوشنی تے خرگوش رل کے جرأت نال اوس دا مقابلہ کیتا تے بھیڑئیے نوں اوتھوں نسن تے مجبور کر دتا۔ بھیڑیے نوں شکار ہتھ نہ لگن تے ہار اتے بہت غصہ آیا۔ اوہ اوتھوں چلا تے گیا پر جاندے ہوئے آکھن لگا میں تہانوں چھڈاں گا نئیں۔

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اگلے دن خرگوش بیمار ہو جاندا اے تے خرگوشنی اکلے ای شکار کرن لئی آ رہی ہوندی اے۔ لومڑی نے موقع دا فائدہ چک دے ہویاں پہلاں خرگوش تے خرگوشنی دا حال پچھیا جدوں اوس نوں پتہ...

تعلیل احادیث صحیحین: امام ابو حاتم وأبو زرعہ كی آراء كا تنقیدی جائزہ

It is unique and high distinction of the Muslim Ummah that they have saved the teachings of Prophet Muhammad (PBUH). There have been high profile scholars who had dedicated their lives for the investigation of veracity and authenticity of Ḥadīths. They have been sifting the narrators of Ḥadīths through the myriad of resources to endorse or reject the authenticity of Ḥadīths. Amongst these eminent scholars, Imām Abū Ḥātim and Imām Abū Zur'ah, who made great contribution in the field of Elal Ḥadīth. Both criticized Aḥādīth some of which are quoted in Sahih Imām Bukhārī and Sahih Imām Muslim. Both books have always been taken as an authentic source for the veracity of Aḥādīth. However, they have pointed out a few such aspects which are vital for keeping the veracity and authenticity of Aḥādīth. This article is an attempt to study those Aḥādīth as quoted in the two above mentioned books and were criticized by Imām Abū Ḥātim and Abū Zur’ah in their book Elal Ḥadīths, by comprising with sayings of the concerned scholars. The most accurate aspect has been elaborated.

Epidemiology, Molecular Diagnosis and Therapy of Paramphistomiasis in Sheep and Goats

Paramphistomiasis is one of the most pathogenic diseases of domestic animals causing heavy economic losses to the livestock industry accounting for several million rupees annually. Epidemiological study was undertaken at slaughter houses, in sheep and goats of four different districts of Punjab province. Infection rate in sheep was 20.7, 13.3, 30.2 and 25.2 per cent at Sargodha, Faisalabad, Gujranwala and Sialkot, respectively, whereas, in goats it was 12.6, 7.6, 23.3 and 16.7 %, respectively. It was noted that in these entire four districts infection rate was the highest during the months of August – September, while the lowest in December. As regard the overall season-wise prevalence, it was the highest during autumn followed by summer, while the lowest during spring. As regard the age-wise prevalence, it was higher in younger animals than in adults. Infection was slightly higher in males than females. Area-wise prevalence indicated that it was the highest at Gujranwala district followed by Sialkot then Sargodha, whereas the lowest at Faisalabad district. Snails have been known to play an important role as intermediate hosts for helminth parasites of animals, birds, man and fishes. Geo-climatic conditions of Punjab and utilization of rivers as a source of irrigation play an important role in dissemination of these snails. For early detection of disease the PCR method was found to be useful. Snails belonging to Pulmonata and Prosobranchia classes were collected from Sargodha, Faisalabad, Gujranwala and Sialkot districts. The prevalence of snails was the highest at Gujranwala followed by Sialkot then Sargodha while the lowest at Faisalabad. Seven genera of snails were identified i.e. Lymnaea, Indoplanorbis, Bulinus, Physa, Gyraulus, Bellamaya and Oncomelania. As regard the season wise prevalence of snails, it was the highest during summer followed by autumn then winter, whereas the lowest during spring. Meteorological factors like temperature, humidity, rainfall and pan evaporation played very important role on the causation and spread of disease and snails. Therapeutic trials by using Cannabis sativa, Centratherum anthelminiticum, Nicotiana tabacum and Oxyclozanide were conducted. For these trials eighty animals were used in eight controlled experiments to compare the efficacy of certain indigenous drugs, with an allopathic drug (Oxyclozanide) against Paramphistomiasis. Efficacy of the drugs was measured by determining the difference of eggs per gram faeces (EPG) before and after treatment. Cannabis sativa after administration of a single dose of 50 and 60 mg/kg body weight reduced EPG by 52.23 and 57.44 per cent, respectively. After the administration of second dose the reduction in EPG was 79.16 and 81.2 per cent, respectively. Efficacy of Centratherum anthelminiticum at rate of 50 and 60 mg/kg body weight was 48 and percent, respectively whereas efficacy at two dose level was 82.60 and 89.36 per cent, respectively. Nicotiana tabacum at 50 and 60 mg/kg body weight was 47.82 and 50 per cent effective respectively, whereas efficacy at two dose levels was 78.23 and 84.07 percent respectively. Oxyclozanide at one and two dose levels was 83.5 and 95.65 per cent effective, respectively. The efficacy order was Oxyclozanide Centratherum anthelminticum, Nicotiana tabacum and Cannabis sativa, No side effects were noted due to the use of any of these plant origin drug.