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The Negative Acts Questionnaire-Revised (NAQ-R), together with its earlier version, The Negative Acts Questionnaire (NAQ), is one of the most utilized instruments for exploring workplace bullying, both in applied and scientific research. Contrary to its widespread use, there are a few published NAQ-R validation studies. In this paper we wanted to support developing grounds for future cultural analysis, comparison and development of the NAQ-R which was created as an instrument primarily for measuring workplace bullying in Anglo- American cultural settings. The aim of this study was to analyze the psychometric properties of the Serbian translation of the Negative Acts Questionnaire-Revised (NAQ-R) by exploring its factor structure, internal consistency and criterion validity. The sample comprised 1710 employees from both private and public sector in Serbia. Principal component analysis revealed one component that explained almost 60% of the total variance. The Confirmatory factor analysis was carried out in order to test the one, two and three factor solutions suggested by the authors of the NAQ. The results of CFA confirmed all three solutions, but only fairly, as some of the fit indicators did not reach the expected values. Reliability analysis showed excellent internal consistency of the NAQ-R (Cronbach?s alpha=0.96). The significant correlations of the NAQ-R with job and organization related measures, and subjective health and well-being measures provided evidence of its construct validity. Higher correlations of the NAQ-R with a set of work related behaviors than the correlations with health related measures were in accordance with the nature of the phenomenon that is primarily focused on work-disabling behaviors. The results of this study showed acceptable psychometric properties of the Serbian translation of the NAQ-R. Obtained findings indicate that the future development of the Negative Acts Questionnaire-Revised could follow two streams: one would be a further refinement of the uniform NAQ as a true cross-cultural measure that would generate comparable findings and the second one the development of separate national and/ or regional forms. [Projekat Ministarstva nauke Republike Srbije, br. 179018]

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U ovom istraživanju proveravana je validnost desetoajtemskog upitnika BFI-10, namenjenog proceni crta ličnosti iz modela Velikih pet. Ispitivanje je obavljeno na uzorku od 112 ispitanika i njima bliskih osoba (N = 203). Proveravana je pouzdanost ukupnih rezultata na skalama upitnika, kao i konvergentna, divergentna i prediktivna validnost. Skale Otvorenost i Saradljivost pokazale su nižu pouzdanost od ostalih. Prosečna interkorelacija skala domena iznosila je .16 i govori u prilog divergentne validnosti upitnika. Konvergentna validnost proverena je: (1) korelacijama rezultata na skalama upitnika BFI-10 sa rezultatima na skalama poznatog upitnika NEO PI-R koje služe za procenu sličnih konstrukata (M r = .61); (2) korelacijama mera samoprocene dobijenih na BFI-10 sa procenama od strane dveju bliskih osoba muškog i ženskog pola (M r = .37). Prediktivna validnost upitnika potvrđena je značajnim korelacijama sa rezultatima na Upitniku za procenu svakodnevnog ponašanja. Rezultati sugerišu da je upitnik BFI-10 moguće koristiti za grubu procenu bazičnih crta ličnosti u istraživanjima u kojima je neophodno korišćenje izuzetno kratkih skala i u kojima procena ličnosti nije osnovni cilj.

A frequently encountered exposure profile for hand-arm vibration in contemporary occupational setting comprises workers with a long history of intermittent exposure but without detectable signs of hand-arm vibration syndrome (HAVS). Yet, most of the published studies deal with developed HAVS cases, rarely discussing the biological processes that may be involved in degradation of manual dexterity and grip strength when it can be most beneficial -during the asymptomatic stage. In the present paper, a group of 31 male asymptomatic vibration-exposed workers (according to the Stockholm Workshop Scale) were compared against 30 male controls. They were tested using dynamometry and dexterimetry (modelling coarse and fine manual performance respectively) and cold provocation was done to detect possible differences in manual performance drop on these tests. The results showed reduced manual dexterity but no significant degradation in hand grip strength in the exposed subjects. This suggests that intermittent exposure profile and small cumulative vibration dose could only lead to a measurable deficit in manual dexterity but not hand grip strength even at non-negligible A(8) levels and long term exposures.