Essays on Information Science and Technology

Skewness Skewness is asymmetrical in a statistical distribution, where the curve appears distorted or concentrated either to the left or to the right. Skewness can be used to define the extent to which a distribution differs from normal distribution. When a curve or distribution in a graph is classical or symmetrical,...

Despite the existence of numerous meanings, outliers are understood as data points which are far outside the standard for a population or a variable. The outlier could be an observation or a reading that is too different from other readings to the extent that it raises suspicion in regards to...

Most of the activities involve the ability of human beings to comprehend and bring together different aspects of life. The activities have brought the need for the investigations of the mechanisms of human thinking and the quality of artificial intelligence. The coordination of different activities of human beings has led...

Introduction The advancement in mobile technology has led to the introduction of smartphones which can be described as more comprehensive and offer additional uses. Besides making phone calls and messaging, the smartphones offer access to the internet, sites of social networking and other numerous mobile applications which did not exist before....

Outliers are data point(s) that deviate so much from the others that suspicions of having been generated through a different mechanism from the rest are aroused, or an indication of an error having been committed while compiling the data (Cressie, 2015). Special cases of outliers are fringeliers, which are data...

Outliers and their Causes Outliers are data points, sets of data or observations that fall far outside the normal variable population (Osborne & Overbay, 2004). Such data is inconsistent with the majority of the intended population or the variable range. It can be brought about by an experimental error or special...

Classical Test Theory (CTT) and Item Response Theory (IRT) are among the most popular frameworks for assessing measurement problems. In both perspectives, the critical issues explored include the characteristics of a person, and an analysis of the abilities which influence the results of educational and psychological tests through identification of...

Before using a data collection instrument in the actual research study, researchers must first demonstrate internal consistency reliability. When using the same instrument, the researcher should ensure that the items on the test or data collection instrument (e.g. questionnaire) measure the same thing (Kline, 2005). The researcher can estimate this...

The social network sites are online platforms where people develop and maintain social connections. Since the emergence of social media, there have been numerous debates about the effect of these sites on the well being of their users.  One group is in support of the social networking sites, and they...

Most of the activities involve the ability of human beings to comprehend and bring together different aspects of life. The actions have brought the need for the investigations of the mechanisms of human thinking and the quality of artificial intelligence. The coordination of different activities of human beings has led...

Predictors and/or Outcomes of Problematic Smartphone Use The advancement in mobile technology has led to the introduction of smartphones which can be described as more comprehensive and offer additional uses. Besides making phone calls and messaging, the smartphones offer access to the internet, sites of social networking and other numerous mobile...

The mind is a core concept in philosophy, and the human mind constitutes just one sort of mind despite the many variations. Scholars over the years have developed to explain the nature and functioning of the mind. While the academic world has no unifying theory of mind, at least it...