Many evaluation techniques do some sort of rating scale such as 1 = poor , 3 = Average, 5 = Good. As a manager you are concerned that some of your colleagues have different ideas about what constitutes poor or good performance levels. You would like to add specific behaviors to these anchors to make them more meaningful. If you did this what performance measurement technique would your new evaluation system most resemble? 1. Behavioral observation scale 2. Graphic rating scale 3. Mixed standard scale 4. Behavioral anchored rating scale