Psychology is the science of behavior and here we show the PTAS Method as a resource to improve behavior safety at work. Dr. Lopez-Mena working in it since 1982.

1. www.persist.cl PTAS METHOD Foundations Human Behavior and Safety The name PTAS mean: Psychological Techniques Applied to Safety It is a translation from spanish name: “ Tecnicas Psicológicas aplicadas a la Seguridad ” Method developed by L. Lopez-Mena, since 1982.

2. www.persist.cl Ordinary people says about people’s Behavior. They are drinkers They are lazy They are fool (others prejudices) These expressions are only tags, without scientific value. Not valid People´s behavior is a function of its consequences. In every part of the world, people’s behavior on the job, is a function of management system. Our duty as managers is to know how people’s behavior appear, develops and changes, to manage it with scientific knowledge. Psychology is the science of behavior. Scientific research says:

3. Attitudes are inside a person’s head -therefore they are not observable or measurable, Attitudes can be changed by changing behaviors. www.persist.cl However, NO

4. www.persist.cl Behavior: Any directly measurable thing that a person does, including speaking, acting, thinking, and performing physical functions. Behavior can be observable or not. In PTAS Method we work with observable behavior . Behavior definition: ( observable) (internal)

8. www.persist.cl Work’s accidents Causes Human Behavior Technical Factors Inheritance En vironment (learning) Study and manage human learning process PTAS Method The causes of work’s accidents

11. www.persist.cl Description of PTAS Method The name PTAS mean: Psychological Techniques Applied to Safety It is a translation from spanish name: “ Tecnicas Psicologicas aplicadas a la Seguridad ” developed by L. Lopez-Mena, since 1982.

12. Objectives, a) Improve and increase the safe behavior of workers through managing human learning process. b) Identify and evaluate behaviors and psychosocial conditions, of the enterprise. c) To use behavioral technology to obtain changes in safety. www.persist.cl PTAS METHOD

13. www.persist.cl P T A S METHOD S TE PS This method has five steps : 1. Identify critical behaviors in safety. 2. Measure and register these critical behaviors. 3. Functional analysis of behavior. 4 . Intervention. 5. Assessment and continue (follow on). 200 195 190 185 180 175 170 165 160 155 150 Millions of Dollars 1992 1991 1990 Production Costs Unit Price Profits

15. www.persist.cl P. T.A .S. Method, Case Studies and RESULTS

16. www.persist.cl Safety behavior level before PTAS Intervention Case 1. In Spain.

17. www.persist.cl EXAMPLE PTAS RESULTS IN IMPROVED Safety Behaviors . Decreased microorganism pathogens in meals Case 2. (In Chile) Intervention Baseline of targets behaviors Follow up (3 months later)