Final answer:
The primary purpose of the Superlative Self-presentation Scale [S] is to measure the extent to which individuals present themselves in an overly favorable way, often referred to as 'faking good' in psychological assessments.
Step-by-step explanation:
The primary purpose of the Superlative Self-presentation Scale [S] in psychological assessments is to measure the tendency of individuals to present themselves in an overly positive manner, minimizing negative attributes. This is known in psychological assessments as 'faking good'. Self-report inventories, which include scales like the Superlative Self-presentation Scale [S], are used to assess personality traits and are particularly useful for their ease of administration and cost-effectiveness. Social psychologists are interested in how these traits influence behavior in a social context.