Background: Psychological well -being is one of the issues of positive psychology that requires life and includes good mental health, high life satisfaction, sense of meaning and purpose, and the ability to manage stress. Given that we live in the Century 19th and since the disease affected people's health, optimism and gratitude can play an important role in promoting psychological well -being...

ings quite a remarkable finding: that the new Optimism-Pessimism scale of the Minnesota Multiphasic Personality Inventory (MMPI) predicts no less a dependent variable than death itself. The finding is unusually important for 2 reasons: First, the obvious one is predicting a “hard” measure like mortality from a “mere” paper-andpencil psychological construct. The second is more subtle, and it com...

This paper analyses firm formation and innovation in an economy where agents differ with respect to their optimism in the face of ambiguity. Individuals choose between starting a firm or working in one; and also between employing a traditional technology or a new technology about which little is known. In the face of ambiguity, decision-makers are either optimistic or pessimistic. We study the ...

This paper presents the experience of a real deployment of Calamari, an ad-hoc localization system for sensor networks. It provides a practical evaluation of many ideas from the literature, serving as a proof-of-concept in some cases and revealing tacit assumptions or unexpected problems in others.

Following Weinstein's (1980) pioneering work many studies established that people have an optimistic bias concerning future life events. At first, the bulk of research was conducted using populations in North America and Northern Europe, the optimistic bias was thought of as universal, and little attention was paid to cultural context. However, construing unrealistic optimism as a form of self-...

OBJECTIVE This study investigated the mediating effects of the internal psychological factors of self-esteem and optimism on the relationship between breast cancer patients' quality of life in terms of symptoms and functioning and depressive symptoms. METHODS The study centered on 384 breast cancer patients who had within a 24-month period received diagnosis of 0-4 stage cancer and had medica...