The correct answer is the last option: "<em>Researchers report that violent television can have a negative impact on children, but they likely aren’t taking into account the available programs that are enriching.</em>"
Bias refers to when an individual provides his/her personal viewpoint or interpretation of a certain topic, rather than stating information in an objective manner. In this instance, the last option contains the author's personal interpretation and viewpoint of the research findings, thereby, inserting bias into it. The first and second options do <em>not </em>contain bias as they are objective statements that do not include an individual's personal interpretation.
The reason hun is because Shakespeare uses an early form of the English language. There are a few differences between today's English and Shakespeare's Early Modern English. He uses words such as thee, thy, lord, thou, art, etc which is complicated for us to understand. Also, many of Shakespeare's plays were written in iambic pentameter which makes his writings much more difficult to interpret. Another thing is that he invented new words in his writings, over 1,000 words he invented.