Ralph just started taking guitar lessons last week. jimmie has been playing guitar for almost 20 years. according to the concept of social facilitation, performing in front of an audience of strangers and friends tonight is likely to ralph's performance and jimmie's performance.

According to the concept of social facilitation, performing in front of an audience of strangers and friends tonight is likely to DECREASE Ralph's performance and INCREASE Jimmie's performance.As Ralph is a budding guitarist, his self-confidence would be comparatively lower than that of the Jimmy and would be significantly affected by the presence of the audience.