Hello! So Ryff's psychological well-being scoring has no global scores right? And that it depends upon your sample distribution on how you go on about it. However, the scoring instructions her secretary sent me recommended that high and low scorers can be determined through for example getting the upper and lower 25% of the scores. So does that mean the scores in the middle will be disregarded? Will it be a risk if majority of scores are in the middle of the distribution?
Dear Janna,
yes, that it common practice as a data-analytic strategy: Comparing the upper and lower quartile ranges. Of course you will have to take care that you have still enough N in each of your statistical cell. Therefore, a strategy such as this is only feasible in case of large N.
In case you want to quantify Quality of Life in terms of health outcomes, you could also
use the SF-36 questionnaire https://www.zpid.de/redact/category.php?cat=526.
From a statistical point of view, it is expected that the majority of scores will be in the middle of the distribution. If they do not, then you should consider your data again... One strategy, as Erwin Lemche said, is to take quartiles, but if you worry about excluding too many cases, you may equally well use the scores as continuous variables, it is up to you and the aims of your research.
If you want to analyze with categorical data, you can use the method of "Cut points for 3 equal groups (lower 33, middle 34 and upper 33) instead of dividing the data by the quartile. Using continious variable is better than using categorical variable.
Excuse me, does not it have world cut points? to categorize it into levels. and they only do it by quartile or tertile?
Sorry, I don't have an answer but I have another queston: What are considered low and high scores in this measure for subscale and total scores? I cannot seem to find any reference to this in the scale instructions or articles on its use.
hello all, could you find any cut of or any value to be called low score /high score ? pls share.
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