Roughly how many lobbyists worked to kill passages in the Dodd-Frank bill aimed at preventing financial institutions from becoming too big to fail?

A health psychology student wanted to know if giving an electric shock to participants each time they inhale from a cigarette will reduce how deeply they inhale

She arranges for smokers to be randomly assigned to two groups: the first group receives no shock and the second group a painful shock for each puff. Some participants quit the experiment, mostly from the painful-shock group. At the end, there was no difference between the two groups on depth of inhaling. Which of the following is a correct conclusion? a. electric shock has no effect on depth of inhalation. b. the study is confounded by differential attrition. c. the study is confounded by selection bias. d. the study was confounded by regression artifact.

When evaluating the validity of information on the internet, which of the following is important information to find on the authority of an author?

a. number of testimonials b. email address c. credentials d. opinions