2. In a study of the effect of applicant's eye contact (factor A) and personnel officer's gender (factor B) on the personnel's officer's assessment of likely job success of applicant, 10 male and 10 female personnel officers were shown a front view photograph of an applicant's face and were asked to give the person in the photograph a success rating on a scale of 0 (total failure) to 20 (outstanding success). Half of the officers in each gender group were chosen at random to receive a version of the photograph in which there was not eye contact. (a) Is the study experimental, observational, or mixed? Why? (b) Identify all factors, factor levels, and factor level combinations. (C) What type of study design is being implemented here