Validity addresses the issue of whether the researcher is actually measuring what he/ she has set out to do. There are four specific types of validity each of which the researcher would ideally want to establish for the research instrument prior to administering it for the actual study. In light of the above, indicate the type of validity that describes the statements given below: (8 marks for i- iv) i) This type includes statistical tests and logical argument ii) This type involves a group of people and content related evidence iii) A potential challenge with this type is that one may fail to formulate the criteria to be used before actually checking the scores iv) One challenge with this