Background
In a study reported in the November 2007 issue of Nature, researchers investigated whether pre-verbal infants (e.g., 10-month olds) take into account an individual’s actions towards others in evaluating that individual as appealing or aversive (Hamlin, Wynn, and Bloom, 2007). In one component of the studies, infants were shown the following two videos. Please watch each video at least once.
The infants were then presented with the two objects (the "helper" and the "hinderder") to see if they would chose one to play with. Important note: The shapes and colors of the objects were randomized across the infants. It was also randomized whether the helper object was put next to the infant's left hand or right hand.Research Question: Do pre-verbal infants show a tendency to prefer the "helper" toy in the long-run?
Goals: In this lab, you will
- Investigate a research question through:
- Simple numerical and graphical summaries
- Use of the One Proportion Inference applet
- Explore the concept of “statistical significance” and p-values to assess a research conjecture
- Use sample data to draw conclusions about an overall process
