Y CHROMOSOME

the sex chromosome which is accountable for ascertaining maleness in human beings and other mammals. The body cells of normal males have one and...

YERKES-DODSON LAW

a law postulating that the association between drive and action can be signified by an inverted U-curve .

Y-LINKED INHERITANCE

a type of sex-connected inheritance wherein a recessive trait is genetically transposed through a sole gene on the y chromosome.

Y-AXIS

noun. the vertical axis on a graph.

YES-NO JUDGMENT TASK

with regard to psychophysics, a signal detection job wherein involved parties undergo a sequence of trials wherein they must judge the existence or...

YOHIMBINE

a stimulus alkaloid stemming from the bark of the African tree Pausinystalia yoliimbe and from Rauwolfia serpentina root. It serves as an antagonist at...

YAWNING

the act of pulling in a volume of air via the mouth which is much bigger than that inspired in typical respiration, serving to...

YERKISH

noun. a language composed of geometric shapes which has been taught to non-human primates in analyses of language learning and usage. There has been...

YATES CORRECTION

an alteration for continuity utilized in calculating chi-square in effort to enhance the correctness of the examination.

YULE'S Q

a gauge of correlation for two dichotomous variants.

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