It is sensible when you start any data analysis project to make sure your computer is set up in an efficient way.
We will also spend time thinking about the assumptions required to make causal claims from analyses of observational data. In seminar this week, we will cover the following topics: The example we will use throughout the lecture will be about the effects of health insurance on self-assessed measures of health. After describing why randomized experiments are considered the gold standard for estimating causal effects, we will outline different strategies for using observational data to answer causal questions. We will introduce the “potential outcomes” framework for thinking about causal inference, and describe the “fundamental problem of causal inference”. The family claimed that Darlington and his wife refused to play ball, leaving his brothers and their families in a quandary.Įfforts to get comments from Darlington and his wife from their South Africa base were fruitless.In the lecture this week, we discuss the concept of causality and particularly focus on distinguishing between observational and experimental strategies for making causal claims from quantitative data. We do not know if the Government can help with her extradition because we need a closure to this issue, otherwise the whole family will perish,” said Zuvarigere. “However, we ended up dropping the case after failing to pay the lawyers.
We wanted Sibusisiwe Nzara to be extradited from South Africa and face justice here. “We tried to engage lawyers so that the matter can be dealt with by the police. Tizai and Zuvarigere’s minor daughters are suffering from mental illnesses, while Aleck Zuvarigere said his son died mysteriously. Zuvarigere said this has caused severe misfortunes in the family as his late mother’s spirit was demanding justice. Only her two daughters-in-law are still alive. Some members of the witchcraft coven that allegedly killed Panganai have since died at the hands of the avenging spirit. “However, while we waited for the deceased’s spirit to make its appeasement demands, my brother, Darlington fled to South Africa with his wife and has never set foot here,” narrated Muzuzu’s other son, Ireland Zuvarigere. She even paid an admission of guilty fine at Chief Muusha’s court. “Nzara confessed her involvement in the issue and pleaded for forgiveness. After her burial, we consulted a traditional healer who confirmed the allegations against the two daughters-in-law and their accomplices. “As a result of the assaults, Nzara allegedly teamed up with Chisara and other unidentified women and poisoned my mother. It is alleged that Nzara then was having marital problems with her husband, Darlington Zuvarigere which resulted in frequent fights between them. “When she disclosed the issue to us, we never took her serious thinking that it was the usual bad blood between a mother-in-law and her daughters-in-law,” said Tizai Muzuzu. Even the medical doctor confirmed that she had been poisoned. When she was on her death bed at Mutambara Mission Hospital following her poisoning, she confided in us the names of the people who had administered the poison on her. My late sister is now attacking her grandchildren and my children. She is seeking retribution from her killers now domiciled in South Africa. “Ignoring her last words has cost us as a family. Muzuzu had four sons and one of them together with his family are now domiciled in South Africa having fled the strange happenings in the family. However, the avenging spirit has refused to budge, arguing that it can only present its demands when all her four sons and their wives are present. However, brushing aside the matter has come back to haunt the family as children are suffering severe mental illnesses and dying mysteriously.įeeling the pinch, the family was forced to approach traditional leaders for a lasting solution. He said they never made a follow up on the allegations after her death, having trivialised them for the usual bad blood between a mother-in-law and daughters-in-law. The deceased’s brother, Tizai admitted that his late sister had confided in him that she was poisoned by her daughters-in-law - Wadzanai Chisara and Sibusisiwe Nzara, but never took the allegations seriously. Chief Muusha briefly presided over the matter before referring it to his counterpart, Acting Chief Saurombe for further management.
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