Final answer:
George Kelly made significant contributions to the cognitive perspective within personality psychology by proposing the Theory of Personal Constructs.
Step-by-step explanation:
George Kelly made significant contributions to the cognitive perspective within personality psychology by proposing the Theory of Personal Constructs. This theory suggests that individuals create personal constructs or mental frameworks to interpret and understand the world around them. According to Kelly, these constructs influence how individuals perceive themselves, others, and events. The theory emphasizes the importance of cognition and interpretation in shaping personality.