According to Susan J. Herman, author of Hiring Right, A Practical Guide, the interview is the most frequently used selection tool and the least valid and reliable. Validity is the degree to which a selection tool like testing or interviewing measures what it is supposed to measure. The closer a statistic is to 1, the more valid it is. Yet interviews have an average validity of 0.14 while ability testing has an average validity of 0.53.
We know that there is no precise method to determine the common-law period of reasonable notice when terminating employees. What has evolved and has been the most quoted case to help with this is the infamous Bardal vs. Globe and Mail. This case tells us that reasonable notice must be decided with reference to each specific case, considering the character of employment, length of service of the servant, the age of the servant and the availability of similar employment, having regard to the experience, training and qualifications of the servant.
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