Answer:
D. All of the above
Explanation:
Randomized controlled trial is best explained as a study during which people are allocated randomly (by chance alone) to receive one among several clinical interventions. one among these interventions is that the standard of comparison or control. The control could also be a typical practice, a placebo ("sugar pill"), or no intervention in the least . Someone who takes part during a randomized controlled trial (RCT) is named a participant or subject. RCTs seek to live and compare the outcomes after the participants receive the interventions.
In sum, RCTs are quantitative, comparative, controlled experiments during which investigators study two or more interventions during a series of people who receive them in random order. The RCT is one among the only and most powerful tools in clinical research.
The foot-in-the-door phenomenon refers to the tendency to comply with a large request if one has previously complied with a small request.
Although family life has an important impact on children's life chances, the mechanisms through which parents transmit advantages are imperfectly understood. An ethnographic data set of white children and black children approximately 10 years old shows the effects of social class on interactions inside the home. Middle-class parents engage in concerted cultivation by attempting to foster children's talents through organized leisure activities and extensive reasoning. Working-class and poor parents engage in the accomplishment of natural growth, providing the conditions under which children can grow but leaving leisure activities to children themselves. These parents also use directives rather than reasoning. Middle-class children, both white and black, gain an emerging sense of entitlement from their family life. Race had much less impact than social class. Also, differences in a cultural logic of childrearing gave parents and their children differential resources to draw on in their interactions with professionals and other adults outside the home. Middle-class children gained individually insignificant but cumulatively important advantages. Working-class and poor children did not display the same sense of entitlement or advantages. Some areas of family life appeared exempt from the effects of social class, howeve
C. Cambodia
Its leader was Pol Pot
