ปัจจัยที่มีต่อประสิทธิผลในการปฏิบัติหน้าที่ของพนักงานสอบสวน ในสังกัดตำรวจภูธร จังหวัดนครปฐม สมุทรสาคร และสุพรรณบุรี / ไพรัตน์ รอดทอง = Factors related to effectiveness of investigators' performance : a case study of Nakhon Pathom, Samut Sakhon and Suphanburi Provincial Police / Pairat Rodthong
This research entitled "Factors Related to Effectiveness of Investigators' Performance: A Case Study of Nakhon Pathom Samut Sakhon and Suphan Buri Provincial Police" is aimed at studying factors related to effectiveness of investigators' performance, problems and obstacles occur during the investigation in order to seek the proper way to improve the investigators' performances. In terms of researching methodology, questionnaires are used in the main. The studied subjects are comprised of 200 investigators of Nakhon Pathom, Samut Sakhon and Suphan Buri provinces. In order to test the hypothesis, the Chi-square was applied in the analysis of data given by the questionnaires whereas the descriptive analysis was applied for the in-depth interview of 10 sujects. The results of the research shows that extra incomes, training, effective strength, volume of work, interference by the superiors, cooperation of the people, coordination of the relevant authorities, and influence of the alleged offenders affect the investigator's performance, whereas age, period of serviece office and function, experience in investigation, budget, equipments, materials and means have no affects at all to the investigators' performance.
