The Federal Wage System (FWS) was developed to make the pay of Federal blue-collar workers comparable to prevailing private sector rates in each local wage area. Before the FWS, there was no central authority to establish wage equity for Federal trade, craft, and laboring employees.
 Zone of proximal development  (ZPD) is Vygotskyâs term for the range of tasks that a child is in the process of learning to complete. The lower limit of ZPD is the level of skill reached by the child working independently (also referred to as the childâs actual developmental level).ygotsky also posited a concept of the zone of proximal development, often understood to refer to the way in which the acquisition of new knowledge is dependent on previous learning, as well as the availability of instruction. During his lifetime Vygotsky's theories were controversial within the Soviet Union.
Lev Vygotsky views interaction with peers as an effective way of developing skills and strategies. He suggests that teachers use cooperative learning exercises where less competent children develop with help from more skillful peers-within the zone of proximal development.owever, it is important to note that Vygotsky never used this term in his writing, and it was introduced by Wood et al. (1976). Once the student, with the benefit of scaffolding, masters the task, the scaffolding can then be removed and the student will then be able to complete the task again on his own. Wood et al.