A or B maybe D I had this question on a test before.
Answer: a. correlating two sets of ratings made by a single rater or by two different raters.
Explanation: Performance appraisal refers to a review of employee's job performance with regards to input, ethics and other key performance indicators employed by an organization. This is necessary in other to correct ineffective attitude of employees and improve output in other to meet organizational goals. Reliability of performance appraisal refers to the consistency and validity of the performance appraisal system which could be achieved by correlating the result of two sets of rating completed by a single rater or two different raters.
The goals were to establish governments for their new territories gained after the war to encourage peace between colonists and remaining Indians tribes and to keep colonists confined to the coasts for purposes of easier taxation and trade with the mother country.
Technology has always been closely linked to the ways in which people have lived. Before the development of civilization, humans lived for many millennia with tools and techniques that allowed them to live successfully in a wide variety of environments. From primitive stone implements to fairly sophisticated and specialized tools, prehistoric humans developed technologies that allowed them to increase their control over the natural world. In return, the tools that they used increasingly changed their way of life.