The estimated annual financial cost of the mood disorders in the United States is between ______ and ______ billion dollars.

Anderson and colleagues (2010) have conducted extensive research on the effects of violent video games. Their research suggests

A) no causal link between short-term effects of video game playing and behaviour, but correlational data suggested that long-term exposure results in delinquent behaviour. B) no causal link between the effects of video game playing and behaviour. C) a short-term immediate effect on thoughts and behaviour from playing a violent game can be found but no detrimental long-term effects were evident. D) there is a causal link between violent video game playing and aggressive thoughts, emotions, and behaviour. E) adults and university students show few effects of violent video game playing but an increase in aggression was seen in children who had aggressive tendencies.

A learning strategy called Suggestive Accelerative Learning

and Teaching Techniques has suggested that people using this method can learn anywhere from 25 to several hundred times their normal learning speeds. When this set of techniques is subjected to scientific scrutiny, however, such results are not achieved. Which critical thinking concept should this bring to mind? A) Occam's Razor B) Replicability C) Extraordinary claims D) Correlation versus causation