Roshan Lal Dewangan

4 Questions 5 Answers 0 Followers

Questions related from Roshan Lal Dewangan

Which is better- one tailed or two tailed test?

I have come across differences of opinion. Somewhere I have received this suggestion that a one-tailed test should be used for a clear directional hypothesis, whereas some reviewers have opined...

02 October 2022 2,982 1 View

How can variables be clustered in few dimensions?

30 participants have given 50 adjectives (maximum 3 adjectives from each participants) for a phenomena. Now I want to to club/cluster these 50 different adjectives in fewer (say 8-10) adjectives....

25 September 2020 10,129 5 View

Which database should I use for systematic review?

If one one wants to conduct a systematic review in the field of psychology and specifically in cognitive functioning what will be the valid database, acceptable to reputed journal?

28 July 2020 7,092 4 View

In situation of equal means (of two groups) which test result should be accepted, 't' or 'F'? Whr does 'F- test' appropriate for 2group difference?

I know t-test works on mean differences, whereas F-test see variance.F-test is recommended when more than two groups are involved. But I wonder, will F-test be appropriate in situation where only...

30 January 2018 1,577 5 View