What is the common theme among the human expression of emotions, human intelligence, and human patterns of sexual preproduction?

A) All three may be used as examples of ultimate causes of natural selection.
B) Expression of emotions and intelligence are important components of reproduction.
C) Intelligence is a factor in how humans express emotions and their ability to successfully reproduce.
D) All three may be used as examples of the proximate causes of natural selection.

The scientific method is defined as

A) a statistical index of the relationship between two things.
B) a self-correcting process for evaluating ideas with observation and analysis.
C) an experimental procedure in which both the research participants and the research staff are ignorant about whether the research participants have received the treatment or a placebo.
D) a statistical procedure for analyzing the results of multiple studies to reach an overall conclusion.

"Thus" is a conclusion indicator.

A political candidate wants to create a long-lasting positive image.According to the elaboration likelihood model,the candidate would use commercials

A) that feature attractive celebrities.
B) with short emotional attacks on the opponent.
C) with catchy slogans and attention-grabbing graphics.
D) that clearly explain campaign issues.

Which percentage of individuals with a history of repetitive mild traumatic brain injury showed chronic traumatic encephalopathy symptoms?

A) 20%
B) 40%
C) 60%
D) 80%

Identify five characteristics of mood disorders have been shown to benefit people who suffer from these conditions?