Which of the following is true about the original research that outlined a causal relationship between vaccines and autism?

A) The original sample was representative of the greater population.
B) Participants were randomly assigned to control and experimental groups.
C) The researchers were “blind” to the study and its intent.
D) The original study had a very small sample size.

Answer: D

Psychology

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The two dimensions of parenting that are believed to be especially important are parental warmth and parental ________

Fill in the blank with the appropriate word.

Psychology

The key to depth perception is _________________________

a. the development of the pincer grasp b. the development of intermodal perception c. being able to walk d. binocular vision

Psychology