selection factors
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2021 ◽  
Vol 27 (6) ◽  
pp. 1427-1436
Author(s):  
HyeJeong Nam ◽  
YongMi Jin

This study aims to understand the effect of salon selection factors on customer satisfaction and customer loyalty through SNS to provide marketing strategies to increase salon profits through SNS. In the SPSS 21.0 program, frequency analysis, factor analysis, reliability analysis, and multiple regression analysis were performed using data from the final 301 part of the questionnaire. The results of the survey are as follows. First of all, the characteristics of SNS were universal and tangible, divided into information, reliability, and beauty salon options. In addition, customer satisfaction and customer loyalty are divided into a single dimension. Second, it was reported that the more the latest information on SNS characteristics is recognized, the higher the customer satisfaction and customer loyalty are. Third, it was found that the more reliable objective information on the factors for selecting beauty salons through SNS was recognized, the higher customer satisfaction and customer loyalty were. Taken together, it is expected that a differentiated education system through SNS will be introduced, and sales will improve by positively affecting customer satisfaction and customer loyalty. In subsequent studies, more reliable studies are expected to be conducted through age diversification and segmentation of various variables.


2021 ◽  
Author(s):  
Pabitra Nandy

Adaptive evolution has the power to illuminate genetic mechanisms under a pre-defined set of selection factors in a controlled environment. Laboratory evolution of bacteria under long-term starvation has gained importance in recent years because of its ability to uncover adaptive strategies to overcome prolonged nutrient limitation- a condition thought to be encountered often by natural microbial isolates. In this evolutionary paradigm, bacteria are maintained in an energy-restricted environment in the growth phase called as long-term stationary phase or LTSP. This phase is characterized by a stable viable population size and highly dynamic genetic changes. Multiple independent iterations of LTSP evolution experiments have given rise to mutants that are slow-growing compared to the ancestor. Although the antagonistic regulation between rapid growth and stress response is fairly well-known in bacteria (especially Escherichia coli), the reason behind the growth deficit of many LTSP-adapted mutants has not been explored in detail. In this review, I revisit the trade-off between growth and stress response and delve into the regulatory mechanisms currently known to control growth under nutrient deficiency. Focusing on the theme of sigma-factor competition I try to search for the evolutionary reasoning of slow growth amongst mutants adapted to prolonged starvation. Additionally, I present novel experimental data indicating the dynamics of four such slow-growing variants that evolved during a 30-day long LTSP evolution experiment with Escherichia coli.


2021 ◽  
Author(s):  
Fazeel Ahmad ◽  
Zohaib Channa ◽  
Fahad Al Hosni ◽  
Salman Farhan Nofal ◽  
Ziad Talat Libdi ◽  
...  

Abstract The paper discusses the pilot project in ADNOC Offshore to assess the Autonomous Inflow Control Device (AICD) technology as an effective solution for increasing oil production over the life of the field. High rate of water and gas production in horizontal wells is one of the key problems from the commencement of operation due to the high cost of produced water and gas treatment including several other factors. Early Gas breakthrough in wells can result in shut-in to conserve reservoir energy and to meet the set GOR guidelines. The pilot well was shut-in due to high GOR resulted from the gas breakthrough. A pilot project was implemented to evaluate the ability of autonomous inflow control technology to manage gas break through early in the life of the well spanned across horizontal wellbore. And also to balance the production influx profile across the entire lateral length and to compensate for the permeability variation and therefore the productivity of each zone. Each compartment in the pilot well was equipped with AICD Screens and Swell-able Packers across horizontal open hole wellbore to evaluate oil production and defer gas breakthrough. Some AICDs were equipped with treatment valve for the compartments that needed acid simulation to enhance the effectiveness of the zone. The selection factors for installing number of production valves in the pilot well per each AICD was based on reservoir and field data. Pre-modeling of the horizontal wellbore section with AICD was performed using commercial simulation software (NETool). After the first pilot was completed, a detailed technical analysis was conducted and based on the early production results from the pilot well showed that AICD completions effectively managed gas production by delaying the gas break through and restricting gas inflow from the reservoir with significant GOR reduction ±40% compared to baseline production performance data from the open hole without AICD thus increasing oil production. The pilot well performed positively to the AICD completion allowing to produce healthy oil and meeting the guidelines. The early production results are in line with NETool simulation modelling, thereby increasing assurance in the methods employed in designing the AICD completion for the well and candidate selection. This paper discusses the successful AICD completion installation and production operation in pilot well in ADNOC Offshore to manage GOR and produced the well with healthy oil under the set guidelines. This will enable to re-activate wells shut-in due to GOR constraint to help meeting the sustainable field production target.


2021 ◽  
Vol 2021 (4) ◽  
pp. 65-74
Author(s):  
Guzel’ I. NIKIFOROVA ◽  
◽  
Tatyana G. SERGEEVA ◽  

Objective: To choose a logistics scheme for cargo delivery considering the vehicle selection factors, to calculate the location of a transport and logistics center. Methods: The analysis of the logistics scheme of cargo delivery, the ranking of the parameters of the transport types, and the method of determining the gravity center of the places of origin/extinguishment of the cargo traffic have been used to determine the transport and logistics center. Results: Typical logistics schemes for cargo delivery are presented, the parameters of the transport types are ranked for selecting a vehicle, the coordinates of the transport and logistics center are calculated depending on the places of origin/extinguishment and the capacity of cargo traffic, and a diagram of the next stage of designing the logistics chain is developed. Practical importance: The article presents an opportunity for a cargo owner and a freight forwarder to choose a logistics scheme for delivering cargo based on standard options and transport type ranking by a number of parameters. The sequence of determining the location of the transport and logistics center is shown


2021 ◽  
Author(s):  
Anh Viet Le ◽  
◽  
Thu Huong Nguyen ◽  
Joel Francis F. Hernandez ◽  
◽  
...  

Restaurants are constantly adapting towards customers’ wants and needs. Vegan restaurants have become increasingly popular, particularly in Melbourne, which is one of the fastest growing vegan markets in the world. While there is literature and evidence of restaurant selection factors in general restaurants, there are no specific studies in vegan restaurants. The aim of this study is to determine the customer restaurant selection factors in vegan restaurants by way of a qualitative content analysis of 5 popular Melbourne vegan restaurants with 10 reviews each. This study found that similar to general restaurants that serve meat, vegan restaurants are chosen mainly because of their food quality and service quality. Vegan restaurants must continue to build on the quality of their food and prioritize putting the same amount of focus on service quality, as poor service quality can completely tarnish the entire dining experience.


2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Austin Snyder ◽  
David Xiang ◽  
Alison Smith ◽  
Shannon Esswein ◽  
Omar Toubat ◽  
...  

Abstract Background Though the proportion of women in medical schools has increased, gender disparities among those who pursue research careers still exists. In this study, we seek to better understand the main factors contributing to the existing gender disparities among medical students choosing to pursue careers in medical research. Methods A secondary cross-sectional cohort analysis of previously published data was conducted using a 70-item survey that was sent to 16,418 medical students at 32 academic medical centers, and was IRB exempt from the need for ethical approval at the University of Illinois at Chicago and the University of Pennsylvania. Data was collected from September 2012 to December 2014. Survey results were analyzed using chi-square tests and Cramer’s V to determine gender differences in demographic characteristics (training stage, race/ethnicity, marital status, parental status, financial support, and parental career background), career sector choice, career content choice, specialty choice, foreseeable career obstacles, and perceptions about medical research careers. Results Female respondents were more likely to be enrolled in MD-only programs, while male respondents were more likely to be enrolled in MD/PhD programs. More male students selected academia as their first-choice career sector, while more female respondents selected hospitalist as their first-choice career sector. More female respondents identified patient care and opportunities for community service as their top career selection factors, while more male respondents identified research and teaching as their top career selection factors. Student loan burden, future compensation, and work/life balance were the most reported obstacles to pursuing a career in medical research. Conclusions There are many factors from a medical student’s perspective that may contribute to the existing gender disparities in pursuing a career in medical research. While much progress has been made in attracting nearly equal numbers of men and women to the field of medicine, active efforts to bridge the gap between men and women in medical research careers are needed.


2021 ◽  
Vol 59 (4) ◽  
pp. 449-463
Author(s):  
Mi Young Son

The aim of this study was to analyze the perceptions and entering status of small business online fashion retailers on portal shopping and fashion shopping malls. Case studies were conducted on a total of 10 research samples. The results were as follows: first, regarding the strategic factors of online fashion stores, ‘price competitiveness’ is important, especially in portal shopping and low-cost brands; ‘product assortment’ is important but not essential in all platforms; and ‘differentiation’ is important to continuously secure loyal customers in fashion shopping malls. Customer satisfaction leads to customer loyalty, and customer loyalty affects the sales conversion rate and brand growth of online sales channels. Factors that promoted sales activities in online sales channels were exposure, advertisements, SNS, events, special exhibitions, and events. Hindrance factors were low price competition, overheated competition, and the MD of sales channels. Second, the research samples used multiple online sales channels, including portal shopping malls and fashion shopping malls, in addition to their own malls. The selection factors were platform reputation and commission, branding, and customer inflow through exposure. Portal shopping malls were perceived as providing easy access, advertising/customer communication, exposure/search, price competitiveness, scalability, and intense competition, whereas fashion shopping malls were perceived as providing a brand image and concept, brand promotion, high commissions, difficult entry, and low profits. The factors for success in portal shopping malls were exposure/search, price competitiveness, and brand recognition, whereas the factors for success in fashion shopping malls were differentiation, brand, exposure/advertisement, product assortment, and MD.


2021 ◽  
Author(s):  
Jesse Smith ◽  
Nicholas H. Wolfinger

Objective: This study re-examined the relationship between premarital sex and divorce risk, with a focus on selection mechanisms, number of premarital partners, and gender differences.Background: Premarital sex predicts divorce, but we do not know why. Scholars have attributed the relationship to selection factors such as differences in beliefs and values, but these explanations have not been tested. It is further unclear how this relationship changes by number of sexual partners, or differs by gender.Method: Event-history models of divorce risk were estimated using data from the National Longitudinal Study of Adolescent to Adult Health. Models included measures of adolescent beliefs and values, parental communication with children about sex, and approximate number of premarital sexual partners. All models were re-estimated with an interaction term between premarital sex and gender.Results: The relationship between premarital sex and divorce is highly significant and robust. Compared to people with no premarital partners other than eventual spouses, those with six or more partners exhibit the highest divorce risk, followed by those with one to two partners. There is no evidence of gender differences.Conclusion: Previously-theorized selection mechanisms thought to explain the relationship between premarital sex and divorce are not supported. Future research should explore either alternative selective or causal explanations for this link.


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Lexis Alexander Tetteh ◽  
Cletus Agyenim-Boateng ◽  
Amoako Kwarteng ◽  
Paul Muda ◽  
Prince Sunu

PurposeThe study uses social cognitive career theory (SCCT) to explore the driving and restraining factors that students consider in selecting auditing as a career.Design/methodology/approachConsidering the aim of this study, a qualitative research was preferred with the objective of gathering in-depth and enriched empirical data; hence, semi-structured interviews were conducted with seventy-five fourth-year undergraduate accounting students of six top-ranked universities in Ghana that offer accounting programmes.FindingsThe findings of the current study unearth the constructs of the SCCT that students' decision to consider a career in audit is driven by outcome expectations (high earnings/monetary incentives and social prestige associated with the job), as well as self-efficacy belief (possession of ethical values). Further, the study finds that self-efficacy beliefs (job stress and accounting stereotype) were the factors restraining students from considering auditing as a career. The results finally show that the students who would choose auditing as a career in future are in one way or the other, preparing for the achievement of their goals.Research limitations/implicationsThe SCCT framework utilized focuses on the three main constructs: self-efficacy, outcome expectations and goals. There are a number of related factors that may influence students' career choice decisions. These may include personal characteristics and contextual influences; a change of the theoretical framework may help discover other important personal and contextual factors that this current study could not unearth.Practical implicationsThe study indicates, on the contrary, that students have negative perceptions about auditing as a career option; they consider the career as stressful, tedious and monotonous. These misconceptions make it less likely for a student to pursue auditing as a career. Educators can aid students in their decision to pursue a study in accounting and become auditors by displaying and reinforcing the positive outcomes that come with the position of an auditor.Originality/valueThe findings of this study add to the existing literature by delving deeper into the self-selection factors that influence a student's desire to become an auditor. Furthermore, the current research is exceptional in that it applies the SCCT to the aim of becoming an auditor. Although other research studies have looked into factors that may influence a student's decision to pursue a profession as an accountant, these studies have mostly been quantitative, limiting the students' ability to explain why those factors encourage or dissuade them.


2021 ◽  
Author(s):  
◽  
Julia Mary Thompson

<p>This study explored the factors affecting the nature and extent of the collection of   born digital materials for long-term retention by collecting repositories in New Zealand cultural  heritage institutions, below the national level. This included exploration of selection factors,  limiting and enabling factors affecting activities, preservation and acquisition policies for born  digital materials, preservation procedures, and perceptions of roles and responsibilities. This two  phase, mixed methods study consisted of a broad web survey followed by semi-structured  interviews. The collecting repositories studied hold a range of born digital materials, but in  small quantities. The collection of born digital heritage seems to be a new activity that requires  additional resourcing and skills that are lacking in many of these collecting repositories. Levels  of policy development are low and there is generally a lack of procedures for preserving born  digital materials. However respondents generally perceived that collecting and preserving born  digital materials was part of their role. The study concludes that the  traditionally passive approach to acquisition of many of the collecting archives   studied, combined with a lack of resourcing and expertise, pose a threat to the long term  accessibility of local and regional born digital heritage. Some recommendations for action are  provided.</p>


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