نتایج جستجو برای: quality controls
تعداد نتایج: 997367 فیلتر نتایج به سال:
A good quality and quantity of night sleep is a substantial factor in allowing the adequate daytime functioning of human beings. Life styles of industrialized countries have been changed from last decades, and sleep-wake patterns have been adapted to new needs and society demands. Sleep duration has decreased, daytime sleepiness has increased and complaints about the poor quality of sleep are f...
Parental scaffolding is an important mechanism utilized by infants during their development. Infants, for example, pay stronger attention to the features of objects highlighted by parents and learn the way of manipulating an object while being supported by parents. Parents are known to make modifications in infant-directed actions, i.e. use “motionese”. Motionese is characterized by higher rang...
This study investigates gender differences in adolescent drug use in terms of parental monitoring and peer deviance. Females are found to be more highly monitored than males, whereas males are more exposed to deviant peers than are females. There is a significant interaction between parental monitoring and peer deviance for the sample as a whole. The effect of this interaction is greater among ...
Using data from a rural household survey for the People’s Republic of China in 2009, we examine the impact of parental migration on children’s educational outcomes. Consistent with the findings of a large empirical literature, we find that parental migration has a significantly negative impact on left-behind children’s educational outcomes as measured by test scores in Chinese and mathematics. ...
Earlier studies gave reason to assume that parenthood might be a risk factor for cardiac infarctions. Especially parents of children under 18 years seem to have an unfavourable cardiovascular risk profile. This may be a result of neglecting a health-promoting lifestyle due to lack of time and a shifted focus in life, caused by parental responsibility. We aim to analyse whether a correlation bet...
The patterns of partnership formation and dissolution, childbearing and parenting in the UNECE during the 1990s are often heterogeneous, with fundamental differences between nations. However, if we want to characterise the unifying direction, we can use a single keyword: postponement. In general, with some exceptions, key demographic events, and more specifically events leading to the formation...
Food quality controls egg quality of the zebra mussel Dreissena polymorpha : The role of fatty acids
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