consumers communicate, businesses have to incorporate these devices and technologies into their business models to

Technology has changed our lives drastically in the past twenty years. For example, consider the rise of mobile devices connected to the internet using wireless communication. We have progressed from…

Continue Readingconsumers communicate, businesses have to incorporate these devices and technologies into their business models to

when it is translated into another language. Classical test theory (CTT) and item-response theory (IRT)

Item analysis is one of the most important elements of test construction. Statistical techniques can be used to carefully examine how a test item functions. This analysis can reveal how…

Continue Readingwhen it is translated into another language. Classical test theory (CTT) and item-response theory (IRT)