The Equipment of the Tyrolean Iceman: Innovation versus Adaptation in the Cultural Evolution of Prehistoric Technologies.

This study argues that the equipment of the Tyrolean Iceman offers a unique perspective for understanding the macroevolutionary-scale functional continuity between later Pleistocene and Holocene human technologies. The Iceman was discovered in 1991 in the Ötztal Alps and can be dated to around 3300 BC, corresponding to the North Italian early Copper Age. In his gear there are several technologies which are rarely found at prehistoric archaeological sites, including archery equipment, a complete set of clothing, and a personal tool kit.

Arbitrary signals of trustworthiness - social judgments may rely on facial expressions even with experimentally manipulated valence.

Generalization has been suggested as a basic mechanism in forming impressions about unfamiliar people. In this study, we investigated how social evaluations will be transferred to individual faces across contexts and to expressions across individuals. A total of 93 people (33 men, age: M = 29.

[Dark personality traits at work].

Nowadays there has been an increase of scientific interest related to the dark triad of personality: Machiavellianism, subclinical narcissism and subclinical psychopathy. In the last two decades several studies were published about the work related correlates of the dark personality traits. The aim of the current paper is to summarize and review these international and Hungarian research findings.