Can someone advise on whether the NCSS-PASS software can be used to calculate sample size and power for observational studies?

08 August 2013 1 4K Report

Also if someone could tell me of any relevant software for observational studies?

Check out the freeware G-power. Very user-friendly to perform any power analysis according to heaps of statistical ( family) tests.

Badges
Science topic

More Faraz Siddiqui's questions See All

Can i use Qualtrics software as a tool for developing a database for my research?

Hi, I am working on a public health research project which is based on paper based interviews. I am trying to figure out whether i can design a database in Qualtrics on to which i could enter the...

31 December 2017 6,114 2 View

How to create a new categorical variable based on an existing time variable in STATA?

I have a time variable on the basis of which i wish to categorize my study subjects into groups (for eg 09:00am-05:00pm becomes group 1, and 5:00pm-9:00am becomes group 2). i am trying to figure...

07 August 2016 5,380 2 View

In multicenter trials, does reporting the overall result require the presence of equal variances?

What are the requirements for reporting results in a multicenter, randomized clinical trial?

11 December 2013 1,880 3 View

What does "pooling of results" mean?

An article I came across, which was an analysis of two prospective study cohorts (one male cohort and one female cohort) provided a pooled results of the combined cohorts for the particular...

11 December 2013 6,752 6 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

If we are using snowball sampling technique, how do we justify the true representativeness of the sample statistically? is there any statistical test?

Are there any statistical methods to justify your sampling technique using SPSS or AMOS?

05 August 2024 9,153 4 View

What are possible strategies can be used to analyze data under sequential explanatory mixed method approach?

Better ways to analyze the qualitative and quantitative data in a sequential explanatory mixed method approaches

04 August 2024 2,703 6 View

Can anyone provide me with molecular docking softwares/ websites?

Molecular docking software/ websites?

02 August 2024 8,704 7 View

Why 3 replicates for most biological assays? Is it enough to examine the data fits normal distribution?

Just bounced on me. Before statistically analysing significant difference, shouldn't we see if data fits normal distribution first? Is 3 replicates enough to testify the hypothesis of normal...

31 July 2024 8,141 13 View

Request for Advice: Starch Metabolism Research Project?

I am currently considering a research project focusing on a comparative analysis of starch metabolism in orchids and roses. I am particularly interested in identifying the types and quantities of...

30 July 2024 4,267 2 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

Pragmatic inquiry research design?

Employing a pragmatic inquiry research design, looking for published research using this method, employing qualitative research data collection methods of semi-structured interview and focus...

28 July 2024 540 2 View

In terms of chaos, what is the necessary and sufficient condition for authoritarianism, permanent or temporary, to come to exist and persist?

Since 2016 Brexit, the world needed to change the thinking behind traditional democracy as the democratic landscape changed, yet traditional democratic thinkers and actors have been acting as if...

28 July 2024 6,515 1 View