Identify a true statement about barriers to effective nonverbal communication. A number of behaviors require large personal space while communicating with others. A number of behaviors that prevent one from communicating effectively are in one's open area according to the Johari window. A number of behaviors are culturally specific—the way they are perceived is different in different cultures. A number of behaviors need bright lighting and loud color scheme in the place where communication takes place.

Effective communication is a simple, clear and proper communication. There are however barriers to this communication such as physical barriers, emotional and cultural barriers etc. Nonverbal include eye contact, facial expression, gestures, and postures, etc.  

Hence the correct option is C.

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The correct answer is C)  A number of behaviors are culturally specific—the way they are perceived is different in different cultures.

A true statement about barriers to effective nonverbal communication would be "A number of behaviors are culturally specific—the way they are perceived is different in different cultures."

This statement is completely true. Different cultures have different approaches to how people communicate verbally and non-verbally. The way you move and gesticulate in Caribbean countries could appear uncomfortably or aggressive in European countries. This is the same for very expressive Latino people, they move their arms, hands, and body, so different than white American people or European, people. They are more conservative in this way. The other extreme is Asian people that are very ceremoniously.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

answer; genetics;