Social networking websites are often assumed to help shy people communicate and make friends. However, a study of site users has
shown that they have lower self-esteem than those who do not use social networking sites. Based on this excerpt, we can conclude that using social networking websites .
First of all, the excerpt may not be generally true. It may however be evident based on what was written that shy people become more shy with their everyday dealings because they hid through the social networking sites to be able convey the messages that they want to relay to certain audience.
In this example, there are two groups being compared. The first one is a group of shy people who use social networking websites, while the second one is a group of shy people who do not use social networking websites. Based on this information, we can assume that all other variables are the same. The group that uses social networking websites has lower self esteem. Therefore, we can conclude that social networking websites cause low self esteem.