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Yogyakarta is one of the regions in Indonesia that has a fast-growing culinary industry. The growth in the number of restaurants present in Yogyakarta shows that the business sector has experienced growth. One of the food businesses that is taking part in feeling the tight competition today is the satay restaurants business. Satay is a traditional food that has a prominent level of popularity in Indonesia and even in the world. Yogyakarta already has the most variety of satay with a total of twenty-one types of satays and even every year it continues to grow. As a form of food business, this satay restaurant needs to have a competitive advantage to survive and win the business competition. One way to create a competitive advantage is to apply service quality, product quality, price, and innovation properly to satisfy customers. The study aims to decide the effect of service quality, product quality, price, and innovation on customer satisfaction at satay restaurants in Yogyakarta. The analytical method used in this study is Structural Equation Modeling (SEM) which was conducted with the help of SmartPLS software. The population in this study were all individual customers who had visited a satay restaurant in the province of Daerah Istimewa Yogyakarta with a total sample of 211 respondents. The result of the study shows that service quality, product quality, price, and innovation have a positive and significant impact on customer satisfaction at Satay restaurant in Yogyakarta.

This study aims to research healthy foods utilizing the theory of reasoned action and including factors such as social and emotional value. The idea of research study is to determine whether there is a positive relationship between social values attitude and subjective norms, emotional values toward subjective norms and attitude, attitude toward buy intention, and subjective norms toward purchase intention. This research used the quantitative approach and the program used in data processing to find findings from the data, AMOS SEM. The population consists of people in Yogyakarta and Pekanbaru, with a non-probability sampling sample and a number of samplings of 303 respondents. The method employed for collecting data entails utilizing a questionnaire that has undergone rigorous testing to establish its validity and reliability. Finding shows that all hypothesis was accepted. It means there was a positive relationship for each variable toward healthy foods. The findings indicated that all the relationships between the hypotheses were positive, which could be evaluated based on the minimum score. If the value of C was larger than R and the accompanying P-value was less than 0.05 but more significant than 1.96, the association was declared positive.

This study aims to explain the effect of product knowledge, brand image, e-WOM on purchase intentions for edtech products in Indonesia. Data were obtained using a closed questionnaire involving 230 respondents, from Indonesians who know about edtech startup products and are between 18 and 35 years old. The sampling technique used was convenience sampling. The analysis technique used is Structural Equation Modeling (SEM) and uses the help of the AMOS version 24 program. The results show that 1) product knowledge has a positive but not significant effect on purchase intention, 2) product knowledge and brand image have a positive and significant effect on e-commerce WOM, 3) brand image and e-WOM have a positive and significant effect on purchase intention. It was also found that e-WOM functions as a mediator variable from the effect of product knowledge and brand image on purchase intention. The effect of the e-WOM mediator is stronger than the direct effect of brand image on purchase intention.

Technological developments and pandemic conditions that limit people's movement have triggered an increase in the use of online shopping platforms. Therefore, it is necessary to analyze in more depth the factors that increase online purchase intention. This study aims to analyze the effect of website quality on EWOM and the effect of EWOM and receiver perspective on consumer satisfaction and brand image. An analysis was also conducted on the influence of satisfaction and brand image on online purchase intention. This research is a quantitative study using primary data from distributing questionnaires to 250 online shopping platform consumers. The data in this study were then analyzed using the SEM (Structural Equation Model) method with AMOS 24 software. The results of this study indicate that website quality has a significant effect on EWOM. Furthermore, the receiver perspective and EWOM have a significant effect on consumer satisfaction and brand image. Consumer satisfaction and brand image have a significant effect on online purchase intention.

The purpose of this study was to examine the effect of the source credibility of celebrity endorsers such as trustworthiness, expertise, and attractiveness) on brand attitudes and purchase intentions for endorsed brands. The type of sampling used is purposive sampling with a total of 300 respondents. The analytical method used is the Structural Equation Modeling (SEM) method using Smart PLS (Partial Least Square) software. This study finds that the trustworthiness, expertise, and attractiveness of a celebrity endorser have a positive and significant effect on brand attitude and purchase intention. This shows that the better the trustworthiness, expertise, and attractiveness of a celebrity endorser, the better the consumer's positive attitude towards the brand (brand credibility). Furthermore, the better the consumer's positive attitude towards the brand (brand credibility), the higher the purchase intention that arises from a consumer.