Answer:
Disengaged family.
Explanation:
As the exercise shortly details, a disengaged family is characterised by the lack of attention to each other, by the little interest in each other. They are withdrawn emotionally; can't gather enough interest to even share a meal together. The family system is meant to take a whole a family as a group of individuals but not picking them apart. It was first introduced by Dr. Murray Bowen who understood that this individuals could not be understood separated from one another, but together.
Answer: This is a " WORD-FOR-WORD PLAGIARISM".
Explanation: Word-for-word plagiarism is a type of plagiarism were someone copies another person's work word-for-word, without acknowledging the source it is been copied from.
The student has copied the original source word-for-word without acknowledging the source. The word been copied is "where variables are measured separately and then a mathematical model is chosen to portray the relationship among the variables". Which is the same in both version.
Though the student has used it in a different form to describe and define a different context from the main source. It is still plagiarism, because the student has copied it from the main source without acknowledgement