Abdullah Niazi

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A New Cuckoo Search Based Levenberg-Marquardt (CSLM) Algorithm

Lecture Notes in Computer Science, 2013

ABSTRACT Back propagation neural network (BPNN) algorithm is a widely used technique in training ... more ABSTRACT Back propagation neural network (BPNN) algorithm is a widely used technique in training artificial neural networks. It is also a very popular optimization procedure applied to find optimal weights in a training process. However, traditional back propagation optimized with Levenberg marquardt training algorithm has some drawbacks such as getting stuck in local minima, and network stagnancy. This paper proposed an improved Levenberg-Marquardt back propagation (LMBP) algorithm integrated and trained with Cuckoo Search (CS) algorithm to avoided local minima problem and achieves fast convergence. The performance of the proposed Cuckoo Search Levenberg-Marquardt (CSLM) algorithm is compared with Artificial Bee Colony (ABC) and similar hybrid variants. The simulation results show that the proposed CSLM algorithm performs better than other algorithm used in this study in term of convergence rate and accuracy.

Effect of knowledge, social and religious factors effecting the intention of Muslims in Pakistan to receive COVID-19 vaccination: mediating role of attitude towards COVID-19 vaccination

Journal of Islamic Marketing

Purpose This study aims to empirically examine the knowledge, social and religious factors effect... more Purpose This study aims to empirically examine the knowledge, social and religious factors effecting the intention to receive COVID-19 vaccination while considering the mediating role of attitude towards COVID-19 vaccination. The research explores how the Islamic ideologies shape Muslims’ knowledge, social and religious beliefs towards COVID-19 vaccination acceptance or refusal. Design/methodology/approach Theoretically, the study is based on the functional theory of attitudes. The model of the study is comprised of nine variables explaining the attitude and intention towards COVID-19 vaccination. Among nine variables, perceived Islamic religiosity, perceived behavioural control and Halal consciousness among Muslims are explained through the value-expressive function of attitude. Furthermore, the perceived risk of COVID-19, the perceived side effect of COVID-19 vaccination and the perceived efficacy of COVID-19 vaccination are considered in the model based on the utility function of...

Factors Affecting Airlines E-Ticket Purchase Intent in Covid-19 Pandemic

This study aims to examine the factors that influence the airline electronic (e-ticket) purchase ... more This study aims to examine the factors that influence the airline electronic (e-ticket) purchase intention and the mediating effect of customer satisfaction (CS) in Covid-19 pandemic. The collected sample involved passengers whom booked the e-ticket service for traveling from the top-five well-known airlines of Pakistan's namely, Airblue, PIA, Shaheen Airline, Serene Air and Askari Aviation. The results found that the online shopping factors (OSF), website functionality (WF) has a significant positive influence on the online e-tickets PI whereas, the perceived risk (PR) factors has an insignificant negative effect on the online e-tickets PI. The result also revealed that the CS partially mediates in a relationship with OSF, WF, and online e-ticket PI, whereas, the CS insignificantly mediates in a relationship with PR and online e-ticket PI in the pandemic in Pakistan. The study will aid airlines in identifying key success characteristics that build passengers or customer confide...

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Effect of Export Market Environment Turbulence on Firm’s Export Performance: The Mediating Role of Firm’s Strategic Orientation Capabilities

The complex and turbulent export environment has changed the level of competition and exporting f... more The complex and turbulent export environment has changed the level of competition and exporting firms are now becoming proactive to the environmental change in export markets. Thus, this study aims to see the effect of export environment turbulence including technological, market and competitive turbulence on the strategic orientation including market, marketing and innovation orientation. The formation of conceptual framework has its roots in contingency theory and RBV. Further research has explored the mediating effect of strategic orientation between export environment turbulence and export performance. Data was collected from textile firms registered with the Pakistan Textile Exporters Association (PTEA) in Pakistan. First, the direct effect of environment turbulence on strategic orientation was analyzed and then the mediating role of strategic orientation between environment turbulence and export performance was assessed. The results of the study show a significant direct effec...

Impact of celebrity credibility on advertising effectiveness

Pakistan Journal of Commerce and Social Sciences, 2013

Advertisers often make use of endorsers or representatives as trustworthy sources of persuasion f... more Advertisers often make use of endorsers or representatives as trustworthy sources of persuasion for consumers' attitudes. Promotion of products through celebrities is a trendy advertising practice around the world. The present study judged the impact of celebrity credibility on advertising effectiveness in terms of consumer’s attitude towards the advertisement, attitude towards the brand and their purchase intention. This study also explored the differences of respondent’s responses towards the advertisements of brand through famous celebrities as well as unknown celebrities. Different TV advertisements were used for the experiment. Several statistical tools were applied to test the hypotheses and identify significant differences & the proposed relationships among the variables. Overall findings suggests that the respondents considered the famous celebrities of the brand as the most credible celebrities, having positive impact on consumers attitude towards the advertisement, att...

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The Emotionally Charged Advertisement and Their Influence on Consumers' Attitudes

It is a common belief that emotional content in advertising can persuade brand favorability even ... more It is a common belief that emotional content in advertising can persuade brand favorability even when rational content has no effect. Emotion is a main factor that holds an important position in advertising. This study investigates the role of emotional elements in advertisement influencing consumer attitude towards the advertisement, brand and how these in turn affect the purchase intention. Three aspects of emotions, including love, fear and information in advertisements have been considered. The data was analyzed through several statistical tools including one sample Kolmogrove Smirnov test, ANOVA test and Regression analysis. Results of the study show positive significant relationship between emotional advertisements but insignificant with informative (neutral emotion) advertisements. There is also a positive significant relationship between attitude toward emotional advertisement and attitude toward brand and that a positive attitude towards a brand leads to purchase intention.

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Impact of Islamic Religiosity on Consumers’ Attitudes towards Islamic and Conventional ways of Advertisements, Attitude towards Brands and Purchase Intentions

Business & Economic Review, 2019

Religious beliefs can shape the perception, behavior and reaction of a person towards marketing a... more Religious beliefs can shape the perception, behavior and reaction of a person towards marketing activities. This study aimed to examine the direct effect of Islamic religiosity on consumers' attitudes towards Islamic and conventional advertisements in Pakistan. Moreover, the study has also examined serial mediating effects of consumers' attitudes towards Islamic and conventional ways of advertisements and attitude towards brands between Islamic religiosity and their purchase intentions. Consumers' attitude was explained through the theoretical lens of Value-Expressive theory of attitude. Experimental design was used to examine the relationships. Several statistical tools including Exploratory Factor Analysis (EFA) were used for screening and preparing the data for analysis. Structural Equation Modeling (SEM) with bootstrapping method for mediation was used to examine the mediation effects of consumers' attitudes towards Islamic and conventional ways of advertisements and attitude towards brands. Results of the study showed positive relationship between Islamic religiosity and attitude towards Islamic way of advertisements and negative relationship between Islamic religiosity and conventional way of advertisements. Further, results showed that attitude towards Islamic way of advertisement and attitude towards brands positively mediate the relationship between Islamic religiosity and purchase intention, while these relationships were negative for conventional way of advertisements.

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Do Customers Perceive Islamic Banking as Really Islamic? A Case of Pakistan

SSRN Electronic Journal, 2015

Islamic banking, a growing ﬁnancial system in the existing world has constantly been asserted to ... more Islamic banking, a growing ﬁnancial system in the existing world has constantly been asserted to be different from conventional banking systems. Islamic banks in Pakistan have emerged as an alternative to conventional banks but they are still facing tough competition from these banks. They are offering services in Pakistan with the concept that they are working under the rules of Shariah and Quran. However, there is a debate over the practices of the profit and loss sharing mode of financing by Islamic banks in Pakistani society and that whether these services are really Islamic or not. This study aimed to describe the perceptions of customers in Pakistan regarding Islamic banks and investigate whether they perceive the existing Islamic banking as really Islamic. Data was collected through a questionnaire from account holders of Islamic banks as well as of conventional banks. Chi-square test was used to analyze the data. The results showed that respondents with accounts in Islamic banks had positive perception about Islamic banks and perceived them to be really Islamic whereas most of the account holders of conventional banks did not consider the Islamic banks in Pakistan to be truly Islamic.

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