Literary method
From what i have learned in my math class a census is the most reliable method but is not always applicable so simple random method is the next best.
The keyword "credible" means able to be believed or trusted, according to the most reliable dictionary source.
Online works, but the actual book form of the dictionary is usually the best.
The definition of gOOgle in the Urban Dictionary would be the most efficient and reliable of internet engines available. It is the fastest and most popular and respected company.
Asking him is probably the most reliable method.
The historical method in lexicography involves tracing the evolution of words over time through analyzing historical texts, etymology, and linguistic changes. It is considered reliable because it provides a comprehensive understanding of how words have developed and their various meanings and uses throughout history. By studying the historical roots of words, lexicographers can create more accurate and detailed dictionary entries.
The simplest and most reliable method is to ask him.
The Parallax Method. See the link for more info.
Perhaps the most reliable method is to measure it with a metric ruler.
Capniigram
The most reliable method for removing hard water and other stains is an old remedy that is quite simple and used by many people. Lemons or real lemon juice had proved to be most affective with the removal of hard water stains. Direct contact is the best method.
The most accurate method to measure mass is by using a balance scale, which compares the unknown mass to a known mass. This method is precise and reliable for determining the mass of an object.