Suppose a child’s brown dachshund gives birth to a litter of black-and-gold puppies. The child now learns that dachshunds can be black and gold as well as brown. According to Piaget, the child is now using the concept of

Older drivers cause the greatest number of accidents when the weather is bad

Indicate whether the statement is true or false.

When is the use of informant reports particularly helpful?

a. when a personality study is seeking to understand undesirable traits b. when a personality study is seeking to find out about illegal behavior c. when a personality study doesn't have the funding to conduct a self-report questionnaire d. when a personality study is looking for some juicy gossip