Researchers have begun to analyze the level of truthfulness in the details of a person's online social networking (osn) profile. one theory, the idealized virtual-identity hypothesis, argues that people post content that reflects their ideal selves, not content that reflects their true personalities. a different theory, called extended real-life hypothesis, argues that osn profiles are used to communicate one's true personality.

TRUE        

Explanation:

            The 'idealized virtual-identity hypothesis' says that people most likely tend to  display the idealized characteristics of oneself on social media  or social networking profile and not heir real characteristics. Therefore, personality impressions which is based on online social networking profiles should represent or reflect the ideal self views of the profile owners'  and not what they  actually are.

         On the other hand, according to the 'extended real-life hypothesis', people in online social networking represents their true characteristics or actual self. In this theory, people try to communicate and express their actual personality on social media.

Therefore the answer is TRUE.

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; scientific;