Aim lines represent the goal or objective and

Aim lines represent the goal or objective and keep us on track toward that goal How to generate aim lines: 1. Determine the aim date and aim rate based on the criteria expressed in the student’s long-term objective 2. Draw an aim star (an A right side up for accelerating target, an A upside down for decelerating target) at the desired rate and date intersection.

Determining Aim Lines Baseline Number Hand raises A • • • Time

Determining Aim Lines Determine the mid-date and mid-rate of the LAST THREE DAYS OF BASELINE DATA POINTS. Mid-date and mid-rate are the median or middlemost points. Don’t average the points, simply count the # and take the middle. Middate: count left to right. Mid-rate: count bottom to top. Baseline # hand raises A • • • Time

Determining Aim Lines Draw an aim line through the mid-date and the mid-rate intersection to the aim star. Baseline # hand raises A • • • Time

AIM LINE EXERCISE A Baseline Behavior • • • Time

AIM LINE EXERCISE A - Solution Baseline Behavior • • • Time

AIM LINE EXERCISE B • • • A Behavior Baseline Time

AIM LINE EXERCISE B - Solution Behavior Baseline • • • Time

AIM LINE EXERCISE C Behavior Baseline • • • • Time

AIM LINE EXERCISE C - Solution Behavior Baseline • • • • Time

Objectives & Monitoring • Given the prompt, “point to the…, ” Richie will point to the designated object within 5 secs for 10 of 10 trials over 10 consecutive sessions by the 7 th day of intervention. • How will we measure progress toward this objective? • Event recording--controlled presentations (correct response w/in 5 secs).

Ritchie’s Progress Correct Trials 10 8 6 4 2 Days