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user1205901's questions - English 1answer
202 questions.
Questions
Answers
Intuition behind the formula for the variance of a sum of two variables
9
3
answers,
1
favourites,
440
views
variance
covariance
intuition
What's an intuitive way to remember the difference between mediation and moderation?
1
answers,
0
favourites,
321
views
interaction
intuition
mediation
teaching
What is the reasoning behind the formulae for the different standard errors of measurement?
7
3
answers,
2
favourites,
396
views
prediction
standard-error
reliability
psychometrics
Assumptions of multilevel analysis
2
1
answers,
0
favourites,
29
views
multilevel-analysis
assumptions
Random Intercept Model: Will including Level 1 predictors necessarily reduce ICC?
1
1
answers,
0
favourites,
92
views
anova
multilevel-analysis
random-effects-model
intraclass-correlation
When doing a t-test for the significance of a regression coefficient, why is the number of degrees of freedom $n-p-1$?
9
3
answers,
4
favourites,
17.104
views
regression
hypothesis-testing
multiple-regression
t-test
Do Stata and SPSS give conflicting versions of Anti-Image matrices?
1
1
answers,
0
favourites,
316
views
correlation
spss
factor-analysis
covariance-matrix
Why is the “sphericity assumption” in RM-ANOVA (constant variance of difference scores) called “sphericity”?
3
1
answers,
1
favourites,
85
views
anova
repeated-measures
terminology
assumptions
sphericity
Why bother looking at an omnibus ANOVA when I have a priori hypotheses about group differences?
4
1
answers,
2
favourites,
163
views
anova
mathematical-statistics
t-test
ranking
isotonic
How does the interpretation of main effects in a Two-Way ANOVA change depending on whether the interaction effect is significant?
5
3
answers,
7
favourites,
12.823
views
anova
interaction
interpretation
Why are reference variables not set in exploratory factor analysis?
3
2
answers,
0
favourites,
41
views
sem
confirmatory-factor
Is a frequentist approach to inference appropriate when working with non-repeatable data?
4
1
answers,
0
favourites,
59
views
bayesian
inference
frequentist
philosophical
In CFA, when is ML estimation preferable and when is GLS preferable?
2
0
answers,
0
favourites,
1.019
views
estimation
maximum-likelihood
sem
confirmatory-factor
generalized-least-squares
Chi Square test in SPSS Exploratory Factor Analysis
1
1
answers,
0
favourites,
194
views
chi-squared
maximum-likelihood
factor-analysis
What is the intuition behind the KMO formula?
0
answers,
0
favourites,
60
views
factor-analysis
What's the difference between concordance correlation and intraclass correlation?
6
1
answers,
1
favourites,
1.637
views
correlation
terminology
intraclass-correlation
agreement-statistics
How can a distribution have infinite mean and variance?
30
3
answers,
15
favourites,
19.265
views
distributions
variance
mean
Bootstrapping in SEM when the original sample size is small
4
2
answers,
0
favourites,
1.371
views
bootstrap
sem
Do generalized linear models allow non-normal response variables, non-normal errors, or both? [duplicate]
3
0
answers,
0
favourites,
237
views
generalized-linear-model
intuition
Consequences of extreme values for Pearson's $r$ in this applied scenario
1
2
answers,
0
favourites,
92
views
correlation
pearson-r
When is it appropriate to use an improper scoring rule?
19
2
answers,
6
favourites,
410
views
classification
forecasting
scoring-rules
What's the relationship between initial eigenvalues and sums of squared loadings in factor analysis?
5
1
answers,
5
favourites,
4.866
views
pca
spss
factor-analysis
eigenvalues
factor-rotation
Why is the normality of residuals “barely important at all” for the purpose of estimating the regression line?
18
2
answers,
9
favourites,
3.798
views
regression
residuals
assumptions
Is multilevel modelling simpler, more practical, or more convenient using Bayesian methods or frequentist methods?
7
2
answers,
2
favourites,
2.429
views
bayesian
multilevel-analysis
frequentist
Why are implied covariance matrices in SEM supposed to be nonpositive definite?
1
2
answers,
0
favourites,
328
views
sem
What is error variance?
1
1
answers,
0
favourites,
9.716
views
variance
error
ε vs u as the error term in regression
2
1
answers,
0
favourites,
200
views
regression
terminology
notation
AIC and nested models [duplicate]
2
0
answers,
0
favourites,
88
views
aic
nested-models
Why is it possible to have a non-significant MANOVA but multiple significant univariate ANOVAs?
3
2
answers,
0
favourites,
1.758
views
statistical-significance
anova
manova
What kind of linear mixed model is most appropriate for this data?
1
answers,
1
favourites,
347
views
mixed-model
linear-model
random-effects-model
1
2
3
4
5
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7
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