Tests of reliability: if the measuring instrument provides consistent results, it is considered to be a reliable instrument. A reliable instrument need not necessarily be a valid instrument. For example if a scale always over measures by six kgs, it is a reliable instrument scale but one does not get a valid measure of weight.… Continue reading Tests of measurement
Author: Aaron
Types of case
Following from the concern of external validity, it is important to observe difference between various types of case that is often made by writers. The critical case: the hypothesis is specified clearly and the case is selected on the basis that it would allow a better comprehension of the circumstances in which the hypothesis might… Continue reading Types of case
Getting the Research Right
PhD scholars need to identify an original research idea such an idea needs to be practically applicable as such ideas can be many but few may actually pass the practicality test. The research needs to be both secondary and primary and sufficiently detailed. Careful understanding needs to be given to the planning and designing of… Continue reading Getting the Research Right