موضوع9:تحقیق میں مفروضے کی اہمیت
مفروضات:
مفروضات ،مفروضہ کی جمع ہے اسے فرضیہ بھی کہتے ہیں مفروضہ یا فرضیہ کی فن تحقیق کے ماہرین نے مختلف تعریفیں کی ہیں۔سادہ اور پچیدہ مسائل کے لئے فرضیات کا استعمال کیا جاتا ہے۔ ان کے اطلاق کی مثالیں ہمیں روزمرہ معمولات میں ملتی ہیں۔
فرضیہ ایک آزمائشی اور توضیحی بیان ہوتا ہے جو دو یا دو سے زیادہ متغیرات کے تعلق کے بارے میں موجود ہوتا ہے۔ اس تعلق کا تجرباتی طور پر مشاہدہ کیا جا سکتا ہے۔چونکہ فرضیہ تحقیق کا ایک اہم ذہنی آلہ ہوتا ہے ، اس کی حیثیت ایک سائنسی اندازے کی ہوتی ہے جو کسی عملی یا نظری مسئلے سے متعلق متغیرات کے تعلق کے بارے میں قائم کیا جاتا ہے۔سید جمیل احمد رضوی کے بقول:
"روزمرہ زندگی کے معمولات میں رائے(Opinion)کا لفظ کثرت سے استعمال کیا جاتا ہے۔ شروع میں محقق زیرتحقیق مسئلے کے حل کے لیے کوئی ایک رائے یا چند آرا قائم کرلیتا ہے۔ان میں سے ہر ایک کو فرض یہ کے نام سے تعبیر کیا جاتا ہے۔"
ہل وے کے مطابق:
"لغت کے اعتبار سے فرضیہ اس کو کہا جاتا ہے جو نتیجے یا نظریے سے کم یا کم یقینی ہوتا ہے۔ یہ ایک معقول اندازہ ہوتا ہے جس کی بنیاد اس شہادت پر ہوتی ہے جو اندازہ لگانے کے وقت موجود ہوتی ہے۔محقق دوران تحقیق کئی فرضیات بنا سکتا ہے یہاں تک کہ وہ آخر میں ایک ایسا فرضیہ یا لیتا ہے جو زیرتحقیق صورتحال سے بہت زیادہ زیادہ مناسبت رکھتا ہے یا جو تمام معلومات کی توضیح نہایت عمدہ طریقے سے کرتا ہے۔"
ڈاکٹر شین اختر کے بقول:
"مفروضہ اسکالر کو حقائق اور اعداد و شمار کی ایک وسیع و عریض دنیا میں لے آتا ہے ،جہاں اسے اپنے کام کے مواد کا انتخاب کرنا ہے۔یہ مواد ایسا ہوتا ہے...
Ahmad sh┤qi is acknowledged as king of the modern Arabic poetry for his a lot of contribution towards it. He compiled the poetry in new poetical style and introduced several varieties in which he is awarded the title of “King of the Poetry”. Beside these attempts he contributed to the contemporary prosaic arts like; novels, dramas, anecdotes, dialogues, biography, social and political issues, which is somehow appreciated by a group of writers and condemned by another for some reasons. His prose did not gain the status as compared to his status in poetry. Many aspects of his prose were analytically discussed by the scholars but the thematic trend in his prose – according to my knowledge- is not taken in research. This article focused on the issue in research with the descriptive manner and the above mentioned themes are analyzed. Wherever, there is failure occurred in the prose that is pointed out and criticized. Adding more, the literary features which saved the prose from decline somehow are put in. This research will meet the deficiency we examined in the books written down about his prosaic literature. This will also open a new door for new researchers to take the themes and extend it further.
To feed the ever increasing human population, there is need of the hour to enhance the crop yield. Different biotic and abiotic factors limit the plant productivity. Among them drought is most common. Drought seriously affects the plant physiology, biochemistry and yield. To ameliorate the effect of drought different ways can be adopted. The most economical and simplest way is the use of rhizobial inoculants. Thirty rhizobial stains were isolated from lentil chick pea and mungbean each. Drought tolerance assay was performed to check the ability of the stains to combat drought. Ten strains from each source were selected on the basis of their drought tolerance ability. The strains were evaluated for plant growth promotion under axenic conditions on maize crop. Strains C-3, C-5, L-6 and M-6 showed better growth of root and shoot, and physiological and biochemical parameters of maize plants. These four strains with all their possible combinations were tested in a jar trial at different moisture levels i. e. 100, 75 and 50% of field capacity. Results showed that the rhizobial inoculants were effective when used individually but the results were even better when used in combinations. Combinations, C1 (C5, C9 & L6), C2 (C9, L6 & M6) and C3 (C5, C9, L6 & M6) performed better and were selected for pot and field evaluation. Rhizobial inoculation enhanced the photosynthetic activity, stomatal conductance, transpirational rate, root and shoot dry weight, biomass and grain yield. At 100% FC, rhizobial combinations significantly increased grain yield of maize as compared to un-inoculated control. However, combination two (C2) showed maximum grain yield (12%) followed by Combination three (C3) (9%) as compared to un-inoculated control. Combination 2 (C2) improved grain yield (22%) followed by C3 (18%) at 75% field capacity over un-inoculated control. At 50% FC, rhizobial combinations C2 and C3 significantly increased (25%) and (19%) grain yield of maize as compared to un-inoculated control and C1 showed (2.91%) improvement in grain yield as compared to un-inoculated control but statistically at par with control. In field, to apply the drought, irrigations were skipped at critical stages. Drought badly affected the physiology, biochemistry and yield of maize. But rhizobial inoculation significantly ameliorated the adverse effects of drought by producing exopolysaccarides, biofilm formation, phosphate solubilization, ACC deaminase and antioxidents.