1. Problem Statements-Questions n The problem dictates the design ******** n What is experience of police officers who were wounded in the line of duty related to their ability to return to work? n What are the unique features of Cherry Creek schools suggesting exceptional education? n There is a statistically significant difference in student performance between schools who have teacher to student ratios of 1:20 vs. those with 1:30. (is no) n The athletic program at inner city schools needs to be assessed related to school mission, academic expectations, and community expectations.

2. Problem Revisions n I am curious about the standardized testing for fifth grader math competencies n NEXT REVISION

3. Dependent-Independent Variables n The intervention = Independent variable n The impact, outcome = dependent variable n Find I and D variables: –Jan is studying the effectiveness of using a Multiple Intelligence lesson approach on math proficiency –Jean is wondering if adding a unit on Japanese American internment during WWII would increase the students interest in history. –Jay believes that adding contract grading and a student selected project will increase student learning

4. Dependent-Independent Variables continued –John has been questioning if self-esteem in teenagers is impacted by grouping students according to gender. –Judy believers that the taillight not working is either caused by the bulb or the connection.

5. Caution Areas n You see what you look for n You look for what you know n Appropriate statistical strategies for certain types of numbers