نتایج جستجو برای: relative contribution

تعداد نتایج: 589806  

Journal: :journal of agricultural science and technology 2013
r. farhoosh m. h. haddad khodaparast a. sharif s. alavi rafiee

the present study was conducted to determine the relative contribution of initial quality and compositional parameters to the rate of changes (rctpc) in the content of total polar compounds (tpc), which is considered to be one of the most reliable indicators of heated oils quality, of olive oil during continuous heating at 180 ºc. the ratio between monounsaturated and polyunsaturated fatty acid...

Journal: :Frontiers in psychology 2015
Antonio S. Silva Ruth Mace

The idea that cooperative groups out-compete less cooperative groups has been proposed as a theoretical possibility for the evolution of cooperation through cultural group selection. Previous studies have found an association between increased cooperation and exposure to inter-group violence, but most have not been able to identify the specific target of cooperation and are based on correlation...

2014
Marte Rønning

Using Norwegian cancer registry data we study twin and non-twin siblings to decompose variation in cancer at most common sites and cancer mortality into a genetic, shared environment and individual (unshared environmental) component. Regardless the source of sibling variation, our findings indicate that genes dominate over shared environment in explaining relatively more of the variation in can...

2017
Amy R. Bland Jonathan P. Roiser Mitul A. Mehta Thea Schei Barbara J. Sahakian Trevor W. Robbins Rebecca Elliott

Economic games such as the Ultimatum Game (UG) and Prisoner's Dilemma (PD) are widely used paradigms for studying fairness and cooperation. Monetary versions of these games involve two players splitting an arbitrary sum of money. In real life, however, people's propensity to engage in cooperative behavior depends on their effort and contribution; factors that are well known to affect perception...

2016
Pär Bjälkebring Daniel Västfjäll Stephan Dickert Paul Slovic

Older adults have been shown to avoid negative and prefer positive information to a higher extent than younger adults. This positivity bias influences their information processing as well as decision-making. We investigate age-related positivity bias in charitable giving in two studies. In Study 1 we examine motivational factors in monetary donations, while Study 2 focuses on the emotional effe...

Journal: :IEEE Transactions on Acoustics, Speech, and Signal Processing 1983

اختصاصی, محمدرضا, رجبی, محمدرسول, صالح‌پور جم, امین, مصفایی, جمال,

Determining the relative contribution of sediment sources is the first step in planning for soil conservation programs. Due to many problems of traditional methods for determining the contribution of sediment sources, fingerprinting technique have attracted the researchers as an appropriate alternative. The main purpose of this study was to determine the relative contribution and importance of ...

Journal: :Časopis pro pěstování matematiky a fysiky 1889

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