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The Role of Organizational Justice and Culture in the Relationships Between Leadership Styles and Employees Performance.

Thesis Info

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Author

Khan, Irfan Ullah

Program

PhD

Institute

Gomal University

City

Dera Ismail Khan

Province

KPK

Country

Pakistan

Thesis Completing Year

2018

Thesis Completion Status

Completed

Subject

Management Sciences

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/12753/1/IRFAN_%20PhD_%20THESIS_%20HEC.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676725132526

Similar


The present study aimed to examine the impact of leadership styles (transformational & transactional) of the head of departments on employees (teachers) performance working in the academic department of higher educational institutions in Khyber Pakhtunkhwa, Pakistan. In similar vein, current study also examined mediating role of organizational justice and culture in relationship between leadership styles and teachers’ performance. For this purpose, data was collected from the both teachers and head of departments in the selected HEIs. The same data was then analyzed by using different statistical tools like correlation, regression, mediation and test of significance. In this regard, correlation analysis shows that all research variables are significantly correlated (table 4.14), wherein, correlation between transformational style and employees performance is (R=.915 & P-value=.000), transactional style (R=.816 & P-value=.000), organizational justice (R=.815 & P-value =.000) and organizational culture (R=.849 & P-value =.000). Similarly, cause-n-effect relationship shows that there is significant impact of predictors on criterion variable (table 4.15), wherein, the results showed that the transformational leadership is stronger predictor of employees’ performance (p- .000) as compared to transactional leadership (.020). Likewise, the mediation results (four models, table 4.40) shows that mediating variables (organizational justice & culture) partially mediate the relationship between the predictors and the criterion (tables 4.16 to 4.30a). In same line, test of significance shows diverse results about mean differences among demographic groups of respondents (tables 4.32 to 4.39). The results show that out of fourteen (14) hypotheses, eleven (11) were accepted and three (3) were rejected. However, findings of current study were positioned in Chapter 5, where these findings (current study) were compared with existing research (previous research) findings. In light of this positioning, conclusion were drawn based on certain recommendations and implications.
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اہل بیت اطہار کے حضور

اہلِ بیت اطہارؓ کے حضور

دیں کو ملی جِلا ہے درِ اہلِ بیت سے
زندہ ہوئی وفا ہے درِ اہلِ بیت سے

قسمت کا در کھلا ہے درِ اہلِ بیت سے
سب کچھ مجھے ملا ہے درِ اہلِ بیت سے

مشکل میں جب گیا ہوں درِ اہل بیت پر
مشکل ہوئی کشا ہے درِ اہلِ بیت سے

ہر غم کا ہے علاج درِ اہلِ بیت ہی
ملتی ہر اک شفا ہے درِ اہلِ بیت سے

ہر چیز مل گئی ہے درِ اہلِ بیت سے
ہر کام ہو گیا ہے درِ اہلِ بیت سے

کرتا نہیں سوال کسی اور در پہ یہ
تائب تو مانگتا ہے درِ اہلِ بیت سے

الدور الوسيط للإبداع الإداري في العلاقة بين التسويق الإلكتروني وجودة الخدمات المصرفية على البنوك التجارية العاملة بالمملكة العربية السعودية (الراجحي، العربي، ساب)

هدفت الدراسة إلى التعرف على الدور الوسيط للإبداع الإداري في العلاقة بين التسويق الإلكتروني وجودة الخدمات المصرفية على البنوك التجارية العاملة بالمملكة العربية السعودية (الراجحي، العربي، ساب). وتمثلت مشكلة الدراسة في السؤال الرئيس التالي: هل الإبداع الإداري يتوسط العلاقة بين التسويق الإلكتروني وجودة الخدمات المصرفية بالبنوك التجارية العاملة بالمملكة العربية السعودية (الراجحي، العربي، ساب) ؟ استخدم المنهج الوصفي، تم استخدام اسلوب الحصر الشامل، وصممت استبانة لجمع البيانات، تم بناء نموذج الدراسة وفرضياته اعتماداً على أدبيات الدارسة. تم توزيع عدد 205 استبانة، حيث بلغت نسبة البيانات الصالحة للتحليل 100%. وكذلك تم الاعتماد على نمذجة المعادلة البنائية (SEM) وفيها استخدم برنامج Amos)) وتم استخدام اختبار ألفا كرونباخ للاعتمادية واستخدام أسلوب تحليل المسار لاختبار فرضيات الدارسة. توصلت الدراسة الي وجود توسط جزئي للإبداع الإداري في العلاقة بين التسويق الإلكتروني وجودة الخدمات المصرفية. اوصت الدراسة بان على المصارف التجارية الاهتمام بالإبداع الإداري ودعم العاملين لتقديم الأفكار الجديدة وتطوير العمل بتلقائية ويسر. وضرورة ان تقدم المصارف خدمات مصرفية ترضى العملاء. الكلمات المفتاحية: التسويق الإلكتروني، الترويج، الإبداع الإداري، المصارف.

Synthesis and Characterization of Shape Memory Polyurethane/Conducting Polymer Blends and Their Nanocomposites

Shape-memory polyurethanes (SMPUs) blends and nanocomposites with conducting polymers (CPs) have fascinated noteworthy considerations for both academic and industrial research due to their important and captivating applications. In the present study, four CPs namely polypyrrole (PPy), polyaniline (PAni), polythiophene (PTh) and poly(aniline-co-thiophene) (PAni-co-PTh) were prepared via chemical oxidative polymerization and used to synthesize the blends and nanocomposites with shape-memory polyurethane (SMPU). Polyurethane was prepared by addition polymerization using polyethylene oxide (PEO) and poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol) (PPG-b-PEG-b-PPG) as soft segment, while 2,4-toluene diisocyanate (2,4-TDI) as hard segment. Four series of PU/CPs blend and composite films for each conducting polymer with the varying weight % of CP (0.1, 0.3, 0.5 and 1.0%) were fabricated. The structural characterization and morphology of the prepared samples was inspected by Fourier transform infrared (FT-IR) and scanning electron microscopy (SEM), respectively. Mechanical, thermal, electrical and shape memory properties of the SMPU/CPs blends and nanocomposites were also investigated. Improved mechanical performances such as tensile strength and Young’s modulus of PU/CPs blends were observed with higher content of CPs, while nanocomposites showed decreasing trend with CPs owing to globular morphology, outcome of layered adsorption of CPs over multi-walled carbon nanotube (MWCNTs). Thermal stability was found to increase systematically with increasing CPs content in blend and composite films. Differential scanning calorimetric (DSC) scans indicated an increase in glass transition, melting and crystallization temperatures for blend samples with CPs loading (0.1-1.0 wt. %). While for nanocomposites, better DSC parameters were observed with 0.1% CPs content. All prepared samples followed the same trend with different CPs except PTh-based blends and composites which was due to the lack of interaction between PU segments and PTh chains. X-ray diffraction results also complimented the DSC studies. Moreover, the electrical conductivity of PU/CPs blends and nanocomposites was also found to be a function of CPs loadings. However, nanocomposites possessed higher conductivities values compared to their respective blends ascribed to the presence of thermally more stable and electrically conductive modified carbon nanotubes in composites. Remarkable recoverability of thermally triggered shape memory (SM) behavior was achieved for all prepared PU/CPs blends and nanocomposites.