Deepend's user avatar
Deepend's user avatar
Deepend's user avatar
Deepend
  • Member for 10 years, 2 months
  • Last seen more than 4 years ago
17 votes
1 answer
15k views

Noncentrality Parameter - what is it, what does it do, what would be a suggested value?

7 votes
3 answers
2k views

Book recommendation: sample size determination for hypothesis testing of the mean

5 votes
1 answer
4k views

When to replace Not Applicable" or N/A values with a zero?

5 votes
0 answers
4k views

No value or "."returned for Mauchly's Test of Sphericity in SPSS

4 votes
1 answer
2k views

What is the difference between a Within Subject and a Repeated Measure design

3 votes
1 answer
3k views

Is it possible to do a Tukey HSD test on a Two Way Repeated Measures ANOVA in SPSS?

3 votes
1 answer
197 views

Is this the correct way to undertake Z-Tests on average user ratings to compare different versions of products?

1 vote
1 answer
122 views

Problem understanding 'Percentage' when working out Confidence Interval

1 vote
1 answer
2k views

Difference between "common index" and "no common index"

1 vote
0 answers
45 views

Name of a similarity test for Ordinal data to see how similar a set of participant answers are to expert answers

0 votes
1 answer
145 views

Is a Z-Test, the right test to compare the mean of several sub groups to a control mean?

0 votes
0 answers
674 views

Is it correct to set a control mean to compare the Z-Scores of several sub groups too? And how do I do this?