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The purpose of this study was to investigate (a) the validity and reliability of the inclusive Self-efficacy Instrument for Physical Education Teacher scale (SE-PETE-D), using a Lithuanian physical education (PE) teachers’ sample, and (b) the impact of type of disability and personal attributes. The English version of the scale was translated into Lithuanian using the back-translation technique. The participants were 193 PE teachers working in Lithuanian schools (60 males and 132 females), ages between 22 and 65 years ( M = 46.47 years, SD = 9.08 years). The content and construct validity of the instrument was supported. The results of the factor analysis indicated a one-factor solution for the instrument’s intellectual disability (ID), physical disability (PD), and visual impairment (VI) subscales. Cronbach’s alpha reliability was high (ID = 0.96, PD = 0.97, and VI = 0.98). Test–retest correlation analysis showed a satisfactory coefficient (ID = 0.54, p < .05; PD = 0.75, p < .01; and VI = 0.63, p < .01; total of SE-PETE-D = 0.70, p < .01). The type of the students’ disability and the teachers’ adapted physical education (APE) training significantly influenced the teachers’ self-efficacy ( p < .05). The Lithuanian version of the SE-PETE-D appears to be a valid and reliable instrument, enabling future research on Lithuanian PE teachers.

Background. Teacher’s perceptions of Self-efcacy (SE) have been suggested as an important factor in the successful inclusion of students with special educational needs. The purposes of this study were (a) to investigate the validity and reliability of the instrument of physical education teachers’ self-efcacy toward the inclusion of students with Autism Spectrum Disorders (PESEISD-A), using a Lithuanian physical education (PE) teachers’ sample, and (b) to assess relationships between SE scale and subscales. Methods. The English version of the instrument was translated into Lithuanian using the back-translation technique. The participants were 368 PE teachers working in Lithuanian schools (152 males and 216 females), aged between 24 and 65 years (M = 47.09; SD = 9.06). The content and construct validity of the instrument were supported. Results. The results of the factor analysis indicated a one-factor solution for the scale’s SE. Cronbach’s alpha reliability of SE scale and all other subscales was high (α > .93). Test-retest correlation analysis showed a satisfactory coefcient. In this study, positive and signifcant relationships between SE scale, mastery experience, vicarious experience, social persuasion, physiological state, behaviour, and perceived challenges subscales were determined (p < .01). Conclusions. The Lithuanian version of the PESEISD-A appears to be a valid and reliable instrument, enabling future research on Lithuanian PE teachers. Keywords: professional development, special education needs, self-efcacy theory, source of self-efcacy.

Background. Intellectual disability is defined as significantly reduced ability to understand new or complex information, to learn and to apply new skills. Integration into the society and independent living for intellectually disabled people is demanding because of slowdown decision processing. Quick enough response time is of vital importance not only for the motor development but also for faster and better adaptation to the changing life conditions. Methods. The subjects were 112 persons with and without intellectual disability aged 11 to 18 years and recruited for the study. The Reaction Timer RA-1 was used to measure reaction time and to determine the speed characteristics of the person’s psychomotor response before and after moderate intensity exercising. Heart rate monitor Polar RS800 was used to measure the person’s heart rate. Results. The best reaction time was demonstrated by 16-year-old normally developed individuals and those with mild intellectual disability (p < .05). The slowest were 11 and 12-year-old individuals (p < .05). The best reaction time was demonstrated by 14-year-old individuals with moderate intellectual disability and the worst – by 12 and 16 year-old persons with this disability (p < .05).Conclusion. Moderate-intensity exercising has a positive influence on the execution of the complex reaction task (LRHL). The considerable reaction time increase was observed for individuals with moderate intellectual disability.Keywords: intellectual disability, reaction time, moderate intensity exercising.