Minimum quality regulations are often justified in the child care market because of presence information frictions between parents and providers. However, can also have unintended consequences for quantity services provided. In this paper, we merge new data on states' maximum classroom group sizes child-to-staff ratios with universe online job postings to study impact demand characteristics lab...

This paper introduces a computational model of online collaborative learning system and investigates how the heterogeneity of opportunity cost among users initiates a vicious cycle of accumulation of unnecessary duplicate postings and eventually the system shuts down. Further examination explores how deterring newcomers improves collaborative learning system efficiency by reducing unnecessary d...

Many online financial message boards exist where users can discuss the latest information about their favorite stocks. However, the sheer number of postings and the high level of noise in these postings present a significant challenge to message board users seeking to extract recommendations on whether to buy or sell a stock. Earlier attempts to extract sentiment and information from these boar...

Hypotheses on how selective viewing of mediated images may sustain eating habits and aid healthier eating were derived from the Selective Exposure Self- and Affect Management model. The model posits that individuals select to view media to manage their self-concepts-and that this exposure affects subsequent intentions and behaviors. Participants (N = 265) selectively viewed Instagram-like posti...

This research explores how cues deposited by social partners onto one’s online networking profile affect observers’ impressions of the profile owner. An experiment tested the relationships between both (a) what one’s associates say about a person on a social network site via ‘‘wall postings,’’ where friends leave public messages, and (b) the physical attractiveness of one’s associates reflected...

This is a questionnaire study analyzing the influence of various medical school experiences on 146 final year medical students' interest and respect for psychiatry. The results indicated that clinical postings, lectures, contact with psychiatric patients and psychiatry faculty had a positive influence on majority of students. Many students perceived non-psychiatric faculty and fellow students a...

It has become common practice for audience members to use social media to connect, share, and communicate with each other during events (e.g., sport events, elections, award ceremonies). But how is this backchannel used during a musical event and what does it say about how people engage with the music and the artists performing it? In this paper, we present the result of a study of a dataset co...

Vertical Search Engine (VSE) indexes only those pages which are relevant to the predefined subject. It is necessary to determine which kind of information in a web page is relevant. This paper addresses the issue of relevancy of a web page which has the content of freelance and remote work postings. For this, we propose a machine learning approach which checks the content of the web page. It ex...

The World Health Organisation estimates there are approximately 3 million cases of needlestick injury (NSI) in healthcare workers (HCW) each year, with 90% of these occurring in developing countries 1 . Student nurses are thought to be at high risk of NSI due to poor technique, inexperience and poor use of universal precautions 2 . There has been little research into the incidence of NSI in Afr...