Tanaka et al. 10.1073/pnas.0707769104.
Movie 1. Touch--giggling contingency. QRIO giggles when the children touch its head. This simple contingency helped start the bonding process between the children and QRIO.
Movie 2. Hug QRIO. A toddler spontaneously hugs QRIO.
Movie 3. Displacement hug toward Robby? A toddler looks at QRIO while hugging Robby.
Movie 4. QRIO "night-night." Children cover QRIO with a blanket and say night-night as its batteries run out.
Movie 5. Helping QRIO stand up. A toddler helps QRIO stand up despite repeated advice from an adult not to do so.