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General news for Wednesday, November 11, 2020
Source: Happy 98.9FM
2020-11-11
File Photo: Center for Democratic Development, Ghana
Dr. Louis Asiedu, Senior Lecturer in the Department of Statistics and Actuarial Sciences at the University of Ghana, has expressed concern about the type of sampling used in the recent pre-election survey of the Center for Democratic Development (CDD-Ghana).
The report’s methodology noted: “All adult citizens had an equal chance of being selected for the 2020 pre-election survey. A nationally representative sample of 2,400 adult citizens was randomly selected.”
“The sample is distributed between regions and urban-rural areas in proportion to their participation in the national adult population.”
However, Dr. Louis, who discussed sampling in an interview with Samuel Eshun on the e.TV Ghana fact sheet show, noted that the sample for the survey was not sufficient as the findings were descriptive.
According to him, the CDD had to support its sampling with an “empirical statistical test” that could have lent a lot of credibility to the findings.
“My concern was the type of sampling used. It should have been supported with empirical statistical evidence. The findings were too reliable and if you don’t have an empirical statistical proof, it becomes problematic. “
He also suggested: “If you want to do a descriptive survey, choose more than 10% of your target population, but choose less than 0.03% without an empirical statistical test just to come to a certain conclusion that Ghanaians think Party A B is better and that is problematic ”.
Some notable findings from the CDD survey were that Ghanaians had confidence in the Electoral Commission, and the ruling New Patriotic Party (NPP) enjoys public confidence in fulfilling campaign promises made by the opposition National Democratic Congress (NDC). .
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