Research conducted by Leskovec and Horvitz (2007) has found that, in an analysis of instant messaging interactions between 240 million people, the connection between 90 percent of pairs
a. could be connected in about 20 links/hops.
b. could not reliably be connected using the six degrees of separation theory.
c. were connected within 8 links/hops.
d. were operating only in localized (physically close) network conversations.
Answer: C
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Prerequisites are the more basic type of maintaining antecedents because they
a. are environmental forces. b. make a behavior possible. c. do not require communication. d. originate within the person.
Hormones are secreted from glands located throughout the body. The ____ is made up of these glands.
A. endocrine system B. endorphin system C. limbic system D. pituitary system
Which of the following can be accomplished by a rat pup at birth?
a. visual following of a moving object b. locomotion toward food and away from danger c. temperature regulation d. voiding the bladder e. suckling a nipple
The network of roles, communication pathways, and power in a group is known as group cohesiveness
Indicate whether this statement is true or false.