Taste tests, e.g.

COMPARISONS

Think of how you might weigh two things side by side to judge which is better.

The clue "Taste tests, e.g." hints at situations where things are evaluated side by side to spot differences. "Comparisons" fits because taste tests involve directly comparing flavors or products to judge which is better. The "e.g." signals that taste tests are just one example of this broader concept. The answer is straightforward—no wordplay, just a clear definition.