The accuracy of the content may be explained by the lack of measurement from a population sample we have selected from the survey (Pallant, 2010), by asking those who have a good knowledge about the topic is. experts in the field of content or face validity can be established; The accuracy of the content is based on the judgment of experts (Burns, 2000) when a new study is required to ensure that it is built on the idea that researchers want to measure, so. investigators are asking anyone with some knowledge about the subject. So these serve as a judge of the content or face validity (Bryman & Bell, 2011).
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