Define a double-blind study, demand characteristics, and observer bias.  How does a double-blind design control for demand characteristics and observer bias?

How has china attempted to increase its gdp since the end of the 20th

Kay is a thoughtful and considerate person but has a difficult time making decisions on her own. she relies on her one best friend, someone she has known since childhood, to give her advice on virtually every decision she makes. sometimes kay even asks the friend to make the decision for her. at work, she holds a position far below her potential and has refused several promotion opportunities. she is most likely suffering from personality disorder.

Fthere was a high pressure system in your area and a bunch of clouds were blown in from a different direction, how would the pressure system in your area change? answer