Which psychological principle did the IBM research division intentionally incorporate into their logo design to convey scientific authority and precision?

In the competitive science industry, brand recognition is crucial for gaining trust and credibility. Scientific companies invest heavily in logo design that communicates precision, innovation, and reliability. This poll explores how scientific companies use specific design elements and psychological principles to create memorable brand identities that resonate with both researchers and consumers. Test your knowledge about the strategic decisions behind some famous science-related logos!

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The Von Restorff Effect (distinctive blue horizontal stripes creating visual distinction)
The Gestalt Principle of Closure (the eight-bar logo that allows the brain to complete the letters)
The Golden Ratio (precise mathematical proportions in the letter spacing)
The Serial Position Effect (stronger first and last elements in the monogram)