Statistics

Lenth (2001) – Guidelines for effective sample size determination

Eliseo Vilalta-Perdomo Paper, Scientific method, Statistics , ,

No doubt that presents a very informative paper on why and how to define sample sizes. I recommend reading section 7 ‘Avoid Retrospective Planning’. An interesting insight involves his sentence concerning the idea that to obtain statistical significance, while ignoring scientific meaning, it is just asterisk hunting! Important for those supervisors and examiners of PhD dissertations that recommend to increase data collection in order to achieve scientific breakthroughs.

Follow this link: Lenth (2001) text

On the theory of scales of measurement (Stevens, 1946)

Eliseo Vilalta-Perdomo Paper, Statistics

This is a paper that any student involved in statistics must read. It would also be of use for people that uses statistical analysis for their research. It indicates some of the challenges in measuring : “the assignment of numerals to things so as to represent facts and conventions about them”.

Follow this link: On the Theory of Scales of Measurement