Lukas Röseler

5 Questions 5 Answers 0 Followers

Questions related from Lukas Röseler

Why aren't p-values for chisquare test and t-test identical?

Hi, can someone explain to me why p-values for a correlation test (t-test) and a chi-square test on the same set of data do not return the same p-values? Computing phi and r returns the same...

21 March 2022 4,749 3 View

Why do you have to multiple CI-width by Sqrt(2) when Inferring Significance from Confidence Intervals?

Hi, First, am I correct in saying the following? When inferring from 95% confidence intervals whether the difference of two means is significant on a 5% level, two steps are necessary: -...

15 February 2021 6,622 1 View

How to solve geometric mean formula for the weight?

Hello everybody, I was wondering whether the formula of a geometric mean can be solved to determine the weights. More specifically: - I have the weighted geometric mean of two values. I know the...

12 November 2020 2,385 6 View

Are there specific post hoc tests for interactions?

At university, we only do post hoc t-tests for main effects in an ANOVA for significant factors with more than 2 levels. When there are interactions, we only look at the profile diagrams and don't...

25 January 2016 6,495 4 View

Should empirical psychology proceed purely deductively or purely inductively?

Both inductive empiricism / positivism and deductive falsificationism seem to struggle with philosophical problems (problem of induction, Quine-Duheme-Thesis). Is one of these paradigms superior...

06 January 2016 7,187 15 View