Reliability in performance appraisal is measured by: a. correlating two sets of ratings made by a single rater or by two different raters. b. quantifiable performance standards. c. linking performance standards to organizational goals. d. correlating the ratings of an employee at two different points in time.

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.

i bought a new phone

explanation:

i will send you the money when i get back from lunch

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.