Answer: B. The coding scheme was not reliable.
Explanation: The most likely discrepancy for the of this study/research is the coding system, a coding system is an analytical tool used to categorize samples or treatments in order to effectively enhance the research or study and to give correct results. Coding systems are also used in computer analysis for effective result presentation. Coding can be used in quantitative analysis such as Questionnaire results and in qualitative in the case of interview transcripts.