Cognitive-behavior therapists are likely to treat generalized anxiety with which of the following treatments?

A researcher performs a cross-sectional study comparing the video game playing ability of 20-year-olds to 60-year-olds

The results indicate that the 20-year-olds learned to play a new game much faster than the 60-year-olds, however the researchers are uncertain whether this indicates that the 20-year-olds' ability will decrease over time, or whether the 60-year-olds had more difficulty because they grew up before there were video games. What issue is this an example of? A) cohort effects B) attrition C) sampling bias D) scaffolding effects

Which of the following would define the highest point in a child's zone of proximal development, according to Vygotsky?

a. The problem is too hard for the child to solve, even with help. b. The child can solve the problem with no help from anyone. c. The child can solve the problem, but only if someone helps with the solution. d. The child can solve the problem without help 50% of the time.