when analyzing a likert scale of attitudes of people containing items concerning the attitudes related question , can it's hypothesis be form with the statement of item which is being taken as dependent variable? such as there is a relationship between gender and perception of people (infidelity is an unacceptable behaviour) .What is the correct way of writing a meaningful hypothesis in such case?
You can test whether you separate Likert-scored items can be combined into a single scale. Because there have been so many questions about this issue, I have gathered some information on this topic at:
https://www.researchgate.net/post/How_can_one_help_people_create_simple_scales_from_Likert-scored_items
You can use any reasonable source for an idea that you develop into a hypothesis. However, items in a "Likert scale" are assumed to be different ways of tapping the same basic construct. Just because items are scored in the Likert format doesn't mean that they add up to a scale. If an item in a scale (Likert-format or not, it doesn't matter) gives you an idea for measuring a different construct, then of course you can use that idea to devise a way to measure that construct, which could then be tested with regard to its predictors or correlates. David L Morgan has given some suggestions.
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