"Behaviourally Anchored Rating Scales" (BARS) are also known as:

Question

Accepted Answer

The correct option is 4:
Behaviourally Anchored Rating Scales (BARS) are a highly detailed and sophisticated method of performance appraisal. They are explicitly designed to measure and rate an employee's job performance by setting specific, observable behaviors as scale anchors. The scale is constructed using "critical incidents," which are descriptions of effective and ineffective job behaviors identified by experts. Since the entire goal of BARS is to provide an objective, standardized means of judging an employee’s actual *performance* against defined behavioral criteria, the name **Behavioural Performance Scales** is a highly accurate and accepted alternative term for this method. This alternative name clearly captures the fundamental purpose of the tool: to evaluate the quality and effectiveness of an employee's behavior while performing their duties.

The incorrect option is 1:
The term **Behavioural Measurement Scales** is too generic in the context of performance appraisal. While BARS is indeed a scale that measures behavior, this phrase could describe any tool that quantifies human actions, including simple checklists or general graphic rating scales. BARS is distinct because its scale points are *anchored* by specific, job-related critical incidents of performance, which is a level of detail that the broader "measurement scales" title fails to convey.

The incorrect option is 2:
The term **Behavioural Expectation Scales** is very closely related to BARS, but it is technically a different concept or a precursor. The process of *developing* BARS often involves a technique known as Behavioural Expectation Scales (BES), where experts determine what performance level a particular behavior *represents* or *is expected* to achieve. However, the final BARS tool is used by a manager to rate the employee's *past, actual* performance, not their future expectation, making "Performance Scales" the more accurate synonym for the completed instrument.

The incorrect option is 3:
**Behavioural Margin Scales** is not a recognized or standard technical term within Human Resource Management or organizational behavior. The concept of a 'margin' typically refers to the difference between two variables, such as revenue and cost, or a safety buffer, and does not relate to the methodology of behavioral anchoring for performance assessment. As it is not an established concept, this option is incorrect.