Human Growth And Development

NameCourseProfessorMidterm ExamCross-sectional pack involves the observation of some subset of a population of items blow ensemble at the alike measure . Groups can be compared at different ages with respect to independent variables . This study differs from the longitudinal study because it takes place at a single focalize in snip . In a longitudinal study , the same observations are made over different periods norm each(prenominal)y spanning some(prenominal) years . This type of study looks into developments and trends across generations or peag and butter spans Cross-sectional studies can be used when a research worker has date constraints usually this method is make in expedition trips which look at a certain group in a matter of some(prenominal) weeks to months . One helplessness of this turn up is that it does not encompass the changes over time This becomes the strength of the longitudinal method of study .

It can skin senses the development of a certain phenomenon or fad thru its early childhood up until the time it disappears , one downside though is that it required a lot of time and effort to complete gloomy syndrome is caused by an abnormal carrell division of the twenty-first chromosome . The problem occurs when there is extra transmitted material from the verbalize chromosome and is responsible for the characteristic features and developmental problems of Down syndrome . Down syndrome has several symptoms or characteristics , most common of all are : ! shape facial features , protruding tongue , weensy head , upwardly slanting eyes which are unknown for the child s heathenish group , and unusually shaped ears . Down...If you sine qua non to get a full essay, order it on our website: OrderCustomPaper.com

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