When both the researchers and the participants of the study are uninformed about the nature of the independent variable being administered, this is known as

Which statement is true about group communication networks?

a. Centralized communication networks allow for individuals to communicate more freely with one another. b. Where one or two individuals control the flow of information it is called decentralized communication network. c. When tasks are complicated or decisions require complex input, decentralized networks are best. d. Centralized and decentralized networks result in about the same type of performance in groups.

Marsha was seen last year at the Mental Health Center where she was diagnosed as having a major depressive episode. During the last six months, she has had five additional episodes. What is her present diagnosis?

a) major depressive disorder with psychotic features b) bipolar I disorder c) dysthymia d) recurrent major depressive disorder