Pick a topic to preview real questions and start a free game β every answer comes with an explanation, so you learn as you play. Every topic carries easy, medium and hard questions, so beginners and experts both get a real game.
A mix of easy, medium and hard β questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
This Russian physiologist discovered that dogs could learn to salivate at the sound of a bell after it was repeatedly paired with food.
Difficulty: EasyWhen we value something more highly simply because we own it, we're demonstrating this effect.
Difficulty: MediumThis researcher proposed that infants have innate representations of goal-directed agency and distinguish agents from physical objects.
Difficulty: HardThis fundamental spy skill involves creating a connection of trust and mutual understanding with a target to make them more willing to share information.
Difficulty: EasyCollege students privately doubted heavy drinking norms but went along because they incorrectly believed everyone else genuinely endorsed the behavior.
Difficulty: MediumThis alchemical term refers to the raw, undifferentiated material that serves as the starting point for transformation.
Difficulty: HardThis negotiation outcome occurs when both parties leave with more value than they started with, often called a "win-win."
Difficulty: EasyThis therapy developed by Marsha Linehan combines cognitive-behavioral techniques with mindfulness and was originally created for borderline personality disorder but is now used for trauma.
Difficulty: Medium