• Journal of the Korean Society for Library and Information Science
• /
• v.41 no.4
• /
• pp.93-111
• /
• 2007

The Internet is now an integral part of the everyday lives of a majority of people. Web users are becoming increasingly skeptical of the information and services offered online. They are demanding web sites that offer credible information. This study focused on what features of web sites affect the perception of web credibility. For this purpose, I took the responses from 648 people and extracted 49 factors that affect web credibility. I placed the individual factors - the specific questions asked in the survey - into one of four categories expertise. trustworthiness, ads and other and calculated the means for each of the 49 factors. As a result, 29 out of 49 factors increase the Perceptions of credibility and 20 factors decrease the web credibility. Sites with frequently update. the credentials of authors, strict content guides, search capabilities, clear connections to the real world fared good in credibility. Technical problems such as broken links, site sown, or typographical errors were rated the most negative on this scale On the other end of the scale, a domain name that ends in' .org' or' .or.kr' caused little change in perception of credibility.

• Journal of The Korean Association For Science Education
• /
• v.41 no.1
• /
• pp.59-70
• /
• 2021

Ability to make informed decisions by critically evaluating media information on socioscientific issues (SSI) is one of the crucial elements of scientific literacy that citizens should obtain. This study aims to investigate how middle school students evaluated media information about socioscientific issues (SSI) when they faced two different types of information (i.e., numerical and empathic information). To achieve the aim, 96 middle school students responded to the questionnaires asking them to evaluate reliability and persuasiveness of SSI media information. The questionnaires consisted of two sets of newspaper articles on each SSI (pro-numerical/empathic, against-numerical/empathic). After reading the articles, the students evaluated reliability and persuasiveness of each article and wrote the reasons for their evaluation. The results were as follows: First, the students believed that news articles with numerical information were more reliable than the ones with empathic information in all SSI contexts. They tended to trust scientific evidence and data from numerical information, and real cases, societal problems, expressions, and values from empathic information. In addition, they evaluated their reliability based on the logic of information, accuracy of information, breadth and depth of data, and quantity and quality of sources both numerical and empathic information. Second, in case of evaluating persuasiveness of the articles, they focused more on the values that information contained, richness and logicality of the information, rather than the types of information, regardless of the type of information.

• Journal of Broadcast Engineering
• /
• v.23 no.6
• /
• pp.836-854
• /
• 2018

This study is analyzing the effects of energy conservation consciousness on Korean energy saving behavior through the mediating effects of energy-related broadcasting media, such as TV. The study is carried out through the survey with structured questionnaire for each factors, using a mediating analysis based on PROCESS Macro proposed by Hayes (2013). The results of the study have been found that people with higher energy conservation consciousness displayed energy saving behavior more frequently and more actively for energy saving behavior as they were more exposed to energy-related broadcasting media. By energy-related broadcasting media the effect of energy public service ad and campaign was the largest at 15.3%, followed by energy news at 12.1%. But energy documentary has no effect on energy saving behavior. Based on the results of this analysis, it is necessary to establish a broadcasting policy that enhances the frequency of energy-related broadcasting media and energy documentary that can induce energy saving behavior. It is also necessary to make efforts to increase the reliability of analysis through empirical data such as electricity bills and fuel cost which show the actual saving level by energy saving behavior.

• Journal of Korea Entertainment Industry Association
• /
• v.14 no.6
• /
• pp.61-76
• /
• 2020

As the media environment changes rapidly, the size of the online advertising market is growing rapidly. However, consumer's trustfulness in online advertising is much lower than that of old media, and there is also a phenomenon of advertising avoidance. Thus, in this study, advertising skepticism, advertising appeals, involvement, and FCB Grid theory were used to provide Youtube and advertisers with implications for advertising strategies. It was intended to provide a way to lower consumer advertising avoidance. As a result of Research 1, consumers with high advertising avoidance showed low advertising attitudes, brand attitudes, and attitudes toward products. In addition, there was no difference in gender, and when the frequency of online video viewing decreased and the age increased, advertising avoidance increased. Research 2 shows that consumers with high levels of advertising skepticism showed a high level of advertising attitude when the level of involvement was low and transformational appeal was high. In the FCB Grid model, consumers with high levels of advertising skepticism are found to be suitable for transformational appeal advertising. These results mean that Youtube and advertisers should think important about advertising skepticism, which is the cause of advertising avoidance, and that consumers with high levels of advertising skepticism should be presented with advertisements suitable for each type of product in the online advertising market.

• Information Systems Review
• /
• v.20 no.2
• /
• pp.163-188
• /
• 2018

When people try to find restaurant information via search engine results, they look at posts not only from sites with solely restaurant reviews but also from sites with restaurant unrelated contents. This study aims to investigate whether relevance between post and blog type affects users' trust toward a review. This study also attempts to check if the above effects interact with age. We designed a restaurant review post for two different blogs: one featuring restaurant review and another that does not feature restaurant reviews. After our participants visited one restaurant review post, they answered our questionnaire. We conducted an online survey on 206 participants to test our research model. Results show that 1) the effect of relevance between post and blog type on message credibility, which is users' trust toward restaurant reviews, is not greater when posts are consistent with the theme of a blog. 2) Among users who are over 30 years old, relevance between post and blog type moderates the relationship between media skepticism, which is users' feeling of mistrust toward blog, and belief in expertise, that is, users' belief that the review post provides sufficient restaurant information. 3) Users' perceived value of the restaurant review post mediates the relationship between users' belief in the expertise in a post and users' intention to seek additional information.

• The Journal of the Korea Contents Association
• /
• v.20 no.5
• /
• pp.303-317
• /
• 2020

As the penetration rate of smart phones has spread and functions have been developed variously, a new advertising medium called mobile advertising has emerged. In addition, various mobile advertisements targeting teenagers, where most of their daily lives are conducted using smartphones, have been activated. Adolescents in the modern society called Generation Z have the longest time to use a smartphone among age groups. Even during the economic downturn, adolescent consumers are an important consumer group that can overcome the economic recession, so mobile advertisements targeting their purchasing power are being created like a flood. Therefore, in this study, the influence of mobile advertisement characteristics and personal characteristics on purchasing attitudes for adolescents using smartphones was identified, and how this was linked to purchasing behavior again. To conduct the research, a survey was conducted on 324 high school students using smartphones, and the results are as follows: First, the higher the recognition of convenience in mobile advertising characteristics and brand preferences, the higher the brand preference. Characteristics and brand trust had a positive effect on acceptance as the awareness of convenience, information, and entertainment increased. Third, the influence of adolescents' personal characteristics on purchasing attitudes had a positive effect on brand preferences by pursuit of fashion, pursuit of personality, and practical pursuit. Fourth, as a result of analyzing the relationship between purchase attitude and purchase behavior, it was verified that brand preference and brand trust among purchase attitude have a positive influence on purchase behavior. This study has significance in that it has grasped the influence of mobile advertising on purchasing behavior among teenagers who are rapidly growing as mobile consumers.

• Journal of The Korean Association For Science Education
• /
• v.19 no.2
• /
• pp.275-292
• /
• 1999

This study aimed to explore the saliences of formal school science and their influences on the attitude toward science communication through mass media. Saliences of school science are salient memories of school science which a perciever attends to selectively among various aspects of formal school science. Among saliences. external saliences refer to the sensory aspects of formal school science. and internal saliences refer to the observers' cognition. Attitude toward science communication through mass media constitute six scales; exposure. cognition. focus. belief. self perception of understanding. application. The questionnaire were developed and sample was selected by multi-stage stratified clustering. The sample size was 1,825. The data was analysed by correlation and multiple stepwise regression. Positive saliences were lab work and science teacher and negative saliences were lecture and exam/grade. According to the correlation and multiple stepwise regression analysis. saliences of the formal school science could account only a small part of the attitude toward science communication through mass media. Internal salieces could account the attitude toward science communication than external salience. Further studies on new models including attitude towards science are needed.

• Journal of Korea Multimedia Society
• /
• v.15 no.2
• /
• pp.179-194
• /
• 2012

Digital image forgery is becoming a topic of great interest with regard to honesty in imaging. We can often see forged digital images in a variety of places, such as the internet, and magazines, and in images used in political ads, etc. These can reduce the reliability and factual basis of the information contained in image. Therefore, objectivity is needed to determine if the image is forged so as to prevent confusion in the viewing public. Most digital forgeries consist of image resizing, rotating including the following interpolations. To find evidence of interpolation in forged images, this paper proposes a new method for detecting digital image forgery using general interpolation factors analyzed through re-interpolation algorithm of the forged images in order to determine the differences in the patterns. Through the re-interpolation algorithm we could detect the forged region and filtering region used image retouching included to interpolation.

• Journal of the Korean Professional Engineers Association
• /
• v.34 no.1
• /
• pp.53-58
• /
• 2001

Value Engineering (VE) is an organized process with an impressive history of improving value and quality. VE can be applied to the construction projects with having good study results. The VE study in construction projects gives identification of opportunities to remove unnecessary costs while assuring quality, performance, reliability, and other factors will meet or exceed the clients needs. VE techniques can save money, reduce time, and improve quality, reliability, maintainability, and performance. VE can also make improving of human factors (altitudes, creativity), and team work. According to the results of VE study in recent USA, 5∼35% reduction in initial costs have been made for the construction projects (ROI ranges : 100∼1000). To have successful work results, if possible, VE study shall be considered at project planning stage or basic design stage later than field work stage with application of VE JOB PLAN, multi-disciplinary approach, and proper techniques in respective study phases (pre-workshop / information gathering / function analysis / creativity / judgement and evaluation / development / presentation and implementation) among the detail techniques in many.

• Journal of Broadcast Engineering
• /
• v.10 no.4 s.29
• /
• pp.599-609
• /
• 2005

There are many test parameters in the DTV measurement, which uses several test measuring instruments and miscellaneous devices. To operate all of those devices and analyse test results is a tedious and time-consuming process with a high error rate committed by inexperienced test crews. In this paper, we propose an integrated DTV measurement and analysis system(IMAS) that remotely controls and manages any instruments with standard network interface. This system can take, organize, store the field data into an integrated database and easily produce systematic output according to user-defined form. It can also measure several types of digital broadcasting signals such as DTV, DMB, DAB with generalized measurement procedures. Proposed measurement system was applied in the DTV field test by KBS and proved that it could enhance the accuracy and efficiency of entire test sequences and also dramatically reduce measurement time compared to conventional measurement systems.