Problem: A primary care clinic plans to use the SCOFF questionnaire to screen for eating disorders in children. The questionnaire includes five questions about whether patients make themselves sick due to feeling full, worry about losing control over intake, have recently lost more than 14 lbs in a 3-month period, believe themselves to be fat, and perceive that food dominates their lives. The instrument has been validated in the adult population. What step would be important in validating the instrument in the child and adolescent population? Assessing intra-rater reliability Evaluating content validity Maximizing specificity Testing a null hypothesis. Need Assignment Help?