I am planning to conduct a reliability test for a reading assessment tool I have developed.

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Should a researcher seek permission from the author of a research instrument accessed online?

I found this online research tool which is relevant to my research project. Is it safe to use it without the author's consent or should I seek first his permission before using the instrument?

19 June 2024 603 0 View

Software for statistical analysis

Can you suggest a good software for statistical analysis? I would appreciate it can be accessed or available online for free. Thank you!

01 January 1970 2,406 5 View

I need the datasets of Microgrid for system identification?

Hi I am working on data driven model of the microgrid, for that, i need the reliable datasets for the identification of MG data driven Model. Thanks

02 August 2024 5,748 4 View

Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

Which statistical test should we use?

N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.

30 July 2024 7,233 4 View

I need a reliable source or an example supported by excel sheet to understand Fuzzy Vikor?

27 July 2024 5,916 1 View

Can you recommend provider Intermediate laboratory test for hydrocarbon, polyethylene & polypropylene?

Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...

25 July 2024 8,108 0 View

Is a reliability test necessary in my survey on translations?

Dear all, I gave 116 respondents 18 translated sentences and asked them to indicate their levels of acceptance of these translations on a five-point scale. Some translations result from strategies...

24 July 2024 8,245 5 View

Can you suggest reliable procedures to get displacements from accelerations in frequency domain ?

I have identified many solutions. I need suggestion from somebody with application experience of this topic to identify the most reliable and robust procedure.

21 July 2024 3,465 5 View

Best statistical test for three groups and binary dependent variable ?

Hello everyone, I am currently working on a project where I aim to analyze color preferences in data visualizations across participants from three different countries. The dependent variable in...

19 July 2024 4,178 2 View

Use of NC or NTC to descibe negative control?

Hello, I would like to ask which is the best terminology to use for describing a negative control in an experiment (drug testing in-vitro, viral infection): NC (negative control) or NTC? Thank you...

18 July 2024 4,183 2 View

If I want to invent my own hypothesis testing method, where should I get started ?

15 July 2024 5,376 5 View