• The Korean Journal of Zoology
• /
• v.38 no.4
• /
• pp.443-448
• /
• 1995

Playback experiments were performed to clarify the degree of song recognition using inter - and intra-populatlon songs of Bush Warbler at Cheongwon, Chungbuk area. Six territorial males were strongly responded to inter- as well as intrapopulation songs. Their responses to the inter- and Intra-population songs were not differed significantly in all measures of latency time, staying time, and closest distance. This result imply that Bush Warbiers in the region did not discriminate the difference between intra- and inter-population songs. It may be the reason that the regional males have little Interactions In song exchange with neighbors by keeping a long Individual distance. In order to investigate the signal value as species recognition releaser, playback of partial songs, prepared from tow distinct regional populations of the spedes were presented to males of the study area. The partial songs presented were made of two portions for each presentation, a whlsde portion only, and a complex syllable portion only. Territorial males responded stronger to the complex syllable portion than the whistle portion of the song. This result indicate that the complex syllable portion conveys more information on the species recognition. As 'releaser' hypothesis suggested formerly, a function of the complex syllable portion In Bush Warbler song is understood In which conveys most spedesIdentifying information. Thus, the result of this playback experiments supports the releaser hypothesis.

• Journal of Internet Computing and Services
• /
• v.5 no.2
• /
• pp.97-105
• /
• 2004

The reason that an intelligent agent cannot understand the representation of its own perception or activity is caused by the traditional syntactic approach that translates a semantic feature into a simulated string, To implement an autonomously learning intelligent agent, Cohen introduces a experimentally semantic approach that the system learns a contentful representation of physical schema from physically interacting with environment using its own sensors and effectors. We propose that negation is a meta-level schema that enables an agent to recognize its own physical schema, To improve the planner's efficiency, Graphplan introduces the control rule that manipulates the inconsistency between planning operators, but it cannot cognitively understand negation and suffers from redundancy problem. By introducing a negative function not, IPP solves the problem, but its approach is still syntactic and is inefficient in terms of time and space. In this paper, we propose that, to represent a negative fact, a positive atom, which is called opposite concept, is a very efficient technique for implementing an cognitive agent, and demonstrate some empirical results supporting the hypothesis.

• Journal of Family Resource Management and Policy Review
• /
• v.25 no.4
• /
• pp.15-30
• /
• 2021

This study aims to apprehend resources that affect level of happiness according to the types of work and leisure in single-person households, and suggests measures to effectively manage. Single-person households not only have different demographic characteristics such as gender and age, but also they have different resources, so there is a need to look at them simple as an individual subject, but as a complicated system from more integrated view. Thus, this study saw the single-person household as an organism existing in a complicated environment based on examining the previous researches. This work deigned the research model by applying the human ecological point of view consistently interacting with the environment. This study suggested an hypothesis under the assumption that the resources such as leisure, infrastructure, social activity and work-life balance support system will influence the level of happiness of single-person household

• Journal of Digital Convergence
• /
• v.19 no.12
• /
• pp.397-404
• /
• 2021

Product image location in search engine advertising plays an important role in consumer perception when the product is relatively low involved and has functional value. The purpose of this research is to investigate the interaction effects of product image location and product type on advertising effectiveness. Building on the literature of location effects, we show that for products for which heaviness is considered a positive attribute, product image placed on the right are preferred. To test hypotheses, a 2(product image location: left vs. right) × 2(product type: single vs. bundle) experiment is conducted and a total of 144 paricipants took part in the experiment. The results revealed that respondents show higher brand attitude and purchse intention toward a bundle product's advertising with product image place on the right. The results provide implications and suggestions for improving search engine advertising and marketing strategies.

• Journal of Korea Game Society
• /
• v.21 no.1
• /
• pp.149-160
• /
• 2021

Recently in the gaming market, immoral game behaviors such as flaming, trolling, and illegal program use have drawn attention as serious problems. With 209 gamers of , this study analyzed the effects of perception toward in-game rules, social identity, moral identity, and moral positioning with control of gender and gaming time. Results showed that moral identity and formal moral perception toward in-game rules had positive effects while moral positioning and social identity had negative effects on immoral behavior. Notably, moral identity had interaction effect with moral positioning.

• Journal of Korea Society of Industrial Information Systems
• /
• v.27 no.1
• /
• pp.79-92
• /
• 2022

This paper investigates the effects of R&D capability, manufacturing capability, understanding of the Biz model on performance of Korean start-up companies, especially the moderating effects of manufacturing capability and understanding of the Biz model. We analysis 1103 Korean start-up companies based on "2019 Survey of Korea Venture Firms" As a result, the manufacturing capability and employee's unnderstanding the Biz-model have the positive relationship with company performance. Especially, we found that 'employee's unnderstanding the Biz-model' moderates the relationship between R&D capability & performance positively.

• Knowledge Management Research
• /
• v.23 no.4
• /
• pp.159-175
• /
• 2022

As creativity is a crucial attribute for companies' survival and innovative success, many firms encourage and implement ways to promote employee creativity. Previous studies in the dual pathway to creativity model have shown that creativity can be enhanced when either the cognitive flexibility or cognitive persistence path is triggered. Although individuals have different personal traits, prior research has rarely investigated whether one pathway is more effective for a certain personality in promoting creativity than the other. Using attachment theory, we examined the influence of attachment style on the degree of the impact of each path on creativity. Specifically, we hypothesized that securely attached people would show higher creativity only when they use the cognitive flexibility path. Data from the US support our hypothesis. Our research highlights that the link between cognitive flexibility and creativity is salient when securely attached people use the cognitive flexibility path because of the strong fit between secure attachment and flexible thinking.

• The Journal of the Korea institute of electronic communication sciences
• /
• v.18 no.6
• /
• pp.1177-1188
• /
• 2023

Socially, organizations are required to maintain strict management of their information resources and invest in the adoption of information security (IS) technologies and policies. However, the ongoing threat of information exposure by employees persists within the organization. This study aims to identify the role stress that employees may experience due to strict IS policies and propose methods for reducing its negative impact. Specifically, our study suggests a mechanism for mitigating role stress by incorporating factors related to IS policy goal setting and work regulatory focus. We conducted a survey among workers in the financial industry, where IS policies are rigorously enforced, and tested our research hypotheses using a sample of 309 participants. The results indicate that increasing the difficulty and specificity of IS policy goals reduces role stress (conflict and ambiguity) and positively influences employees' intention to comply with IS policies. Furthermore, individual work promotion focus moderated the relationship between role stress and IS compliance intention. These findings have important implications for organizations seeking to strengthen their IS compliance among employees and inform the development of effective IS strategies.

• Korean Journal of Cognitive Science
• /
• v.35 no.2
• /
• pp.113-127
• /
• 2024

Attention and emotion interact intimately. Anxiety, for example, modifies attentional mechanisms to enhance the processing of threat-related information. But how can it modulate attention? Studies of the emotional Stroop task showed clearly that color naming was interfered with more by negative word distractors than by neutral distractors in anxious participants. However, few studies have investigated in what stage an emotional stimulus biases attention. The present study investigated the locus of interference in the emotional Stroop task by manipulating the SOA (Stimulus Onset Asynchrony) between the word distractor and the color target (0ms, 120ms, or 240ms). Results showed that interference occurred only with 0ms of SOA for anxious participants, whereas for non-anxious participants, there was no interference effect. These results support the view that the attentional mechanism was modulated in early stage of information processing by anxiety.

• Korean Journal of Psychosomatic Medicine
• /
• v.32 no.1
• /
• pp.10-23
• /
• 2024

This study examines the changes in attractiveness and social perception of mask wearers during the COVID-19 pandemic. Before COVID-19, masks were seen as a sign of infection, decreasing the wearer's attractiveness. However, with the widespread normalization of mask-wearing during the pandemic, the perception mechanisms have become more complex. The attractiveness and social perception of mask wearers now vary based on factors such as the wearer's baseline attractiveness, race, and attitudes toward masks. Consequently, research findings on perception changes due to mask-wearing have been inconsistent. This inconsistency is due to the lack of standardized experimental methods and the failure to account for individual differences among participants, as well as insufficient theoretical background in the studies. From a psychiatric perspective, it is essential to formulate and test new hypotheses centered around the psychological mechanisms related to the human behavioral immune system when studying attractiveness perception during a pandemic. Notably, attention should be given to how differences in the activation of individuals' behavioral immune systems influence perceptions of mask wearers. Understanding these dynamics can provide crucial insights into how social perceptions and aversions impact mental health, thereby shedding light on various psychiatric issues that arise during infectious disease outbreaks.