Correlation or Causation: The most common errors made in data analysis

The research field is prone to errors with significant consequences on generalizing results and interpreting statistical relationships.The following are some of the most common: Assuming you have a representative sample: This error is common especially in large data sets (big data). The results may look convincing, but the sample does not represent a true picture…

Conducting your own survey? Here is a quick guide

What is a survey? It is  the systematic/structured gathering of information from a sample/ proportion of individuals for the main purpose of making conclusions/predictions about a larger population/group. Prior to starting a survey, one should... Define a clear purpose for the survey Create research objectives/research questions you intend to answer Decide on a methodology to…

Questions for the Questionnaire

The following represents questions one should ask when creating a questionnaire. What does the question contribute? Each question included in the questionnaire, should contribute significantly to acquiring relevant information for the researcher. The questionnaire should be assessed prior, so as to ensure that all the questions present are relevant and if not, irrelevant questions removed.…