Though job analysis plays a vital role in all other human related activities but every process that has human interventions also suffers from some limitations. The process of job analysis also has its own constraints. So, let us discuss the advantages and disadvantages of job analysis process at length.

Advantages of Job Analysis

• Provides First Hand Job-Related Information: The job analysis process provides with valuable job-related data that helps managers and job analyst the duties and responsibilities of a particular job, risks and hazards involved in it, skills and abilities required to perform the job and other related info.

• Helps in Creating Right Job-Employee Fit: This is one of the most crucial management activities. Filling the right person in a right job vacancy is a test of skills, understanding and competencies of HR managers. Job Analysis helps them understand what type of employee will be suitable to deliver a specific job successfully.

• Helps in Establishing Effective Hiring Practices: Who is to be filled where and when? Whom and how to target for a specific job opening? Job analysis process gives answers to all these questions and helps managers in creating, establishing and maintaining effective hiring practices.

• Guides through Performance Evaluation and Appraisal Processes: Job Analysis helps managers evaluating the performance of employees by comparing the standard or desired output with delivered or actual output. On these bases, they appraise their performances. The process helps in deciding whom to promote and when. It also guides managers in understanding the skill gaps so that right person can be fit at that particular place in order to get desired output.

• Helps in Analyzing Training Development Needs: The process of job analysis gives answer to following questions:
  • Who to impart training?
  • When to impart training?
  • What should be the content of training?
  • What should be the type of training: behavioral or technical?
  • Who will conduct training?

• Helps in Deciding Compensation Package for a Specific Job: A genuine and unbiased process of job analysis helps managers in determining the appropriate compensation package and benefits and allowances for a particular job. This is done on the basis of responsibilities and hazards involved in a job.

Disadvantages of Job Analysis

• Time Consuming: The biggest disadvantage of Job Analysis process is that it is very time consuming. It is a major limitation especially when jobs change frequently.

• Involves Personal Biasness: If the observer or job analyst is an employee of the same organization, the process may involve his or her personal likes and dislikes. This is a major hindrance in collecting genuine and accurate data.

• Source of Data is Extremely Small: Because of small sample size, the source of collecting data is extremely small. Therefore, information collected from few individuals needs to be standardized.

• Involves Lots of Human Efforts: The process involves lots of human efforts. As every job carries different information and there is no set pattern, customized information is to be collected for different jobs. The process needs to be conducted separately for collecting and recording job-related data.

• Job Analyst May Not Possess Appropriate Skills: If job analyst is not aware of the objective of job analysis process or does not possess appropriate skills to conduct the process, it is a sheer wastage of company’s resources. He or she needs to be trained in order to get authentic data.

• Mental Abilities Can not be Directly Observed: Last but not the least, mental abilities such as intellect, emotional characteristics, knowledge, aptitude, psychic and endurance are intangible things that can not be observed or measured directly. People act differently in different situations. Therefore, general standards can not be set for mental abilities.