Advantages and disadvantages of direct observation
1. Advantages of direct observation
• Firsthand knowledge of job requirements but other job analysis methods only allow the job analyst to indirectly obtain this information.
• Works well with jobs that have a short work-cycle, manual and psychomotor tasks, physical activities-assembly-line worker and accounting clerk are examples
• Supplements other data collection methods
• Simple to use.
• Verifies data from other sources.
2. Disadvantages of direct observation
• Does not provide complete information for more complex jobs.
• May interfere with job performance
• Validity & reliability may be problematic
• Not useful for jobs consisting of mostly mental tasks.
• Time consuming
• May bias worker performance.
• Small sample size.
• Requires skilled observer.
• First, they cannot capture the mental aspects of jobs, such as decision making or planning, since mental processes are not observable.
• Second, observation methods can provide little information relating to personal requirements for various jobs because this kind of information is also not readily observable.
• Direct observation methods provide little information on which to base job specifications.
3. Related documents:
• Direct observation method.
• Observation methods
• Methods of job analysis
• HR career ebooks (you can download free and ref all ebooks related HR career…)
Author: Davi Ngo, hrvinet.com
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This entry was posted on Friday, March 26th, 2010 at 9:39 pm and is filed under Observation method. You can leave a response, or trackback from your own site.
