What are the best statistics communities?
I enjoy discussing statistics and would like to work with others to process and analyze data sets. Which communities are suitable for this?
Testing procedures – psychology?
I am currently writing a paper on anorexia nervosa (anorexia nervosa) and would like to investigate to what extent successful therapy limits the occurrence of concomitant illnesses (depression, anxiety disorder, obsessive-compulsive disorder, etc.). What statistical test is best for this? I was thinking of an ANOVA, but then both variables would be nominal/ordinal scaled. Would…
Where do the 4 in the fraction in the dispersion measure come from?
Hello everyone, I am studying industrial engineering and have the “statistics” module. Unfortunately, I don't quite understand where the number 4 in the fraction comes from (see measures of dispersion). can you please help me? Thank you
The more… the more… Are there dialect differences?
Time and again, I hear even high-ranking representatives of society use incorrect sentences when it comes to correlation. Remember: There are only two correct expressions, and they begin with JE! Example: The drier the summer, the higher the risk of forest fires. The drier the summer, the higher the risk of forest fires. outdated: The…
Negative correlation?
Hello, As the cross-sectional area of a conductor increases, its resistance decreases. Can this be described as a negative correlation?
STATISTICS HELP – Spearman or Pearson correlation?
Dear community, I'm quite unsure about a task at university. My answer would have been the Spearman, with the reasoning: "Unlike Pearson's correlation coefficient, Spearman's rank correlation coefficients do not require the assumption that the relationship between variables is linear. They are robust to outliers. Because the relationship between dose and drug response is nonlinear,…
What is the correlation between two dichotomous/binary variables?
Hello, I am currently writing my bachelor's thesis in psychology and have a question about statistics: I have two variables, each with two values (one for gender: male/female; one for response: yes/no). I would like to determine whether there is a relationship between gender and the responses. Can I calculate a Pearson Moment Correlation? Or…
How strongly do school grades and IQ correlate?
I've read quite a bit about intelligence online. Recently, I came across the theory that IQ and school grades correlate more or less strongly. In my opinion, this largely depends on how much you study. What do you think about this? Have you perhaps even had personal experience? Thanks for your input! (And please excuse…
Why does physical attractiveness correlate with overall self-esteem?
Hello everyone, I've been struggling with a problem for a while now and just can't seem to find a solution. Perhaps someone can help me—I would be very grateful! Task: Self-assessed physical attractiveness correlates positively with overall self-esteem. Is this due to "objective" physical attractiveness raising self-esteem, or is it due to high self-esteem positively…
Correlation, causality and the anthropic principle?
Is the anthropic principle applicable to modern economies? I'm asking because I've been thinking about the following: In a modern economy, it's often difficult to determine whether causality or merely correlation is present. If it can't be clearly determined, can the anthropic principle be applied?