Answer the following two questions using the question and answer (Q&A) format; in other words, include the original question along with your response

Answer the following two questions using the question and answer (Q&A) format; in other words, include the original question along with your response.

Within your post, support your responses with information from at least one peer-reviewed/scholarly source (not older than 3-5 years) from CSU Global online library or the Internet, and provide the full citation at the end. Use APA guidelines to format your references.

1)What are the principal components of an effective performance appraisal system?

2)How can a performance appraisal system effectively address employee-related challenges in the workplace such as performance problems, unsatisfactory conduct, and/or violations of policies?