Who proposed that children are cognitively egocentric?

An advantage of hybrid designs is that

a. they include at least two different samples of children, so cohort effects can be investigated. b. they are not complicated to set up. c. they are much shorter than a typical longitudinal study. d. they allow causal conclusions to be drawn.

Concerning Siri, which of the following statements is FALSE?

a. Siri is an "intelligent personal assistant" first made available on Apple's iPhone 4S. b. A person can talk to Siri and "she" talks back with Siri operating in a simple question and answer mode. c. Siri can engage in a believable free-flowing conversation with people. d. Siri often misunderstands questions and can offer famously odd-ball responses.