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In large cohort studies, due to the time-consuming nature of the measurement of movement biomechanics, more than one evaluator needs to be involved. This may increase the potential occurrence of error due to inaccurate positioning of markers to the anatomical locations. The purpose of this study was to determine the reliability and objectivity of lower limb segments length by multiple evaluators in a large cohort study concerning healthy aging in an industrial environment. A total of eight evaluators performed marker placements on five participants on three different days. Evaluators placed markers bilaterally on specific anatomical locations of the pelvis, thigh, shank and foot. On the right foot, markers were placed in anatomical locations to define a multi-segmental foot model. The position of the marker at the anatomical locations was recorded by a motion capture system. The reliability and objectivity of lower limb segment lengths was determined by the intraclass correlation coefficient of a two-way random model and of the two-way mixed model, respectively. For all evaluators for all segments, the average reliability and objectivity was greater than 0.8, except for the metatarsus segment (0.683). Based on these results, we can conclude that multiple evaluators can be engaged in a large cohort study in the placement of anatomical markers.

Locus of control, as a psychological characteristic, influences the experience and behaviour of individuals in all life situations, including the moment when an adult enters university and becomes a non-traditional student.Research on the locus of control of students at a faculty preparing experts for educational professions (teachers of all levels, social and special pedagogues, and andragogues) was initiated due to the increasing failure rate of non-traditional students within university efforts to achieve quality in all teaching activities and the need to verify the assumption that most applicants with an internal locus of control (ILC) choose an educational profession requiring management of other people's learning. The Zemanová Dolejš Locus of Control Scale revealed a dominant ILC or external (ELC) localisation of the locus of control in all 411 tertiary students, 152 of whom were non-traditional students. Considering their distribution into ILC and ELC, statistically significant relationships were identified in locus of control according to the form of study. For non-traditional students, no statistically significant relationships were found for age or type or years of study for either ILC or ELC.

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