RESUMEN
【Objective】 To continuously improve the routine indoor quality and precision of TEG by applying Westgard multi-rule control method combined with Levey-Jennings quality control chart. 【Methods】 The parameters R, K, Angel and MA of TEG were monitored and analyzed in the laboratory for 12 consecutive months using the same batch of quality control products via Westgard multi-rule control method combined with Levey-Jennings quality control chart, and the mean(), standard deviation (SD) and coefficient of variation (CV%) were calculated to observe the control effect. 【Results】 We applied this quality control method to timely correct, analyze and improve the system errors in TEG indoor quality control.The CV% value of R, K, Angle and MA were 20.33%, 13%, 3.6% and 9.65%, respectively, during January to June 2019, but decreased to 9%, 3%, 1.28% and 5.35%, respectively, during July to December 2019. 【Conclusion】 The application of Westgard multi-rule control method and Levey-Jennings quality control chart in TEG indoor quality control test can improve the precision of TEG clinical test results.
RESUMEN
A manutenção de desempenhos controlados por instruções não correspondentes pode ser atribuída a diferentes variáveis. O objetivo deste estudo foi verificar o efeito de uma história experimental de apresentação de instruções correspondentes sobre o comportamento subsequente de seguir instruções não correspondentes, em um procedimento de operante livre. Doze crianças (3 a 8 anos) participaram de um jogo de caça ao tesouro. As primeiras pistas do jogo (correspondentes) indicavam corretamente onde encontrar mais pistas; sem sinalização de alteração de condição, pistas não correspondentes passaram a ser apresentadas. Os participantes mantiveram-se seguindo instruções (correspondentes ou não). Gradualmente, porém, passaram a dispensar mais tempo buscando pistas em locais não indicados pelas instruções não correspondentes. Discutem-se possíveis variáveis relacionadas à manutenção do desempenho instruído
The maintenance of behavior controlled by non-correspondent instructions can be explained by a wide range of variables. The aim of the study was to verify the effect of an experimental history of correspondent instructions presentation on subsequent non-correspondent instructions-following behavior in a free-operant procedure. Twelve children from 3 to 8 years old participated in a game format task (a treasure hunt). First clues presented were correspondent (correspondently indicating where new clues were hidden); without signaling, non-correspondent instructions were presented. All participants kept following instructions (correspondent or not); however, they gradually spent more time searching for clues at places not described by non-correspondent instructions. Variables that possibly affected the maintenance of instruction-following behavior were discussed