The immune system must distinguish not only between self and non-self, but also between
innocuous and pathological foreign antigens to prevent unnecessary or self-destructive …

A model explaining how the motive to achieve and the motive to avoid failure influences
behavior assumes strength of motivation as being a multiplicative function of motive, expectancy…

Consisting of an integrated collection of 46 articles (half previously published) plus 3 extensive
appendices, this volume" presents a method for assessment of human motives through …

The purpose, then, of presenting the frequencies of the various achievement-related imaginative
categories in the Relaxed, Neutral, and Achievement-oriented conditions is to establish …

Following the review of a number of motivational systems, the author contrasts an expectancy-value
theory with a drive-habit theory of motivation. The emphasis is on human motivation. …

Background— Clinical and radiologic predictors of cerebral infarction occurrence and location
after aneurysmal subarachnoid hemorrhage have been seldom studied. Methods— We …

What kinds of political message are actually capable of striking chords with an audience?
How do the skills of spellbinding speakers compare with those of their less charismatic …

Cytotoxic T lymphocytes and natural killer cells use the perforin/granzyme pathway to kill
virally infected cells and tumor cells. Mutations in genes important for this pathway are …

"… the following hypotheses are investigated: persons in whom the motive to achieve success
is stronger than the motive to avoid failure (a) should prefer tasks of intermediate difficulty,(…

In plant phenotyping, it has become important to be able to measure many features on large
image sets in order to aid genetic discovery. The size of the datasets, now often captured …