<em>*If this a specific question with a specific answer then I have no clue.*</em>
Two of the many things that can lead to problems in a marriage is lack of communication and trust issues. If there isn't clear transparency of communication that can lead to misunderstanding and/or even divorce. <u>Communication is key to most relationships</u> and lack of communication can also affect other aspects of one's life. If a husband isn't communicating to his wife of what he needs or vice versa, then that could make for some pretty difficult arguments down the road. Trust issues can also affect a relationship very deeply. Trust issues are one of the things that can drive people apart. A lack of trust in a relationship and lead to resentment and frustration which can put a strain on one's mental state and marriage.
By definition, a bias is a systematic error that generates a distortion in the forecasted results. It can consist on an overestimating or underestimating a parameter.
For example, sampling bias appears when the sample obtained is not a proper representation of the underlying population.
Regarding the Hazelwood v. Kuhlmeier case, it is standard procedure for the newspaper advisor to give the paper to Principal Reynolds for review.
While the students may feel that the paper being denied/removed is an infringement of speech, school officials have to right to censor school papers (within educated reason) because it is sponsored by the school.