The questionnaire was established through adopting and adapting from numerous researchers. Do I still need to test for cronbach alpha on my own?

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The questionnaire was established through adopting and adapting from numerous researchers. Do I still need to test for cronbach alpha on my own?

Hi everyone, I would like to ask if my questionnaire was establish through a combination of adopting and adapting from numerous researchers. Do I still need to test for validity like the content...

04 May 2018 8,924 4 View

Can I have Chapter 3 research methodology-quantitative research proper structure section?

HI, I would like to ask what to write for paradigm of enquiry ? we will list out the population and sampling first or we will list out the instrument first? Under data collection method, what are...

04 May 2018 4,346 0 View

Have someone successfully used the ER alpha (Santa Cruz sc-8002) antibody in immunostaining ?

Santa Cruz now recommends this new antibody (F-10) but I can't find a publication using this reference. I'm working on human et non human primate hypothalamus and so far, it doesn't work. Is...

02 March 2021 10,003 2 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

In frequency domain alpha band(8-16hz), beta band(16-32hz), gamma band(32-64hz), sub-band(64-128hz) are same as LL,LH,HL,HH in wavelet decomposition?

I am working on single trial motor imagery data i.e. EEG data. I am following a paper which has a dataset from BCI challenge IV (dataset 2b). After removing noise and extracting all the data from...

23 February 2021 5,503 1 View

MVN, how to conciliate contradictory results from Multivariate normality and Multivariate outliers test?

Dear colleagues, I'm working with Path analyses in lavaan and MVN packages. There are some results that for me are confusing and features from the MVN that I do not know how to set. My dataset is...

18 February 2021 190 3 View

Is it possible to obtain a negative cronbach alpha?

Good evening everyone. If a questionnaire has 4 factors measuring different constructs as for example CAMI questionnaire measuring attitudes toward the mentally ill that has four factors:...

18 February 2021 3,223 3 View

Any information about dinitrosalisylic acid reagent end point color stability ?

I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...

17 February 2021 7,402 4 View

How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

Ronán Michael Conroy

I'm sorry there seems to be no-one at HELP University to help you. And urguys isn't on ResearchGate. ;—})

Yes, you do have to do some measure of internal consistency, because scales do not have fixed characteristics. Test characteristics depend on the people it is administered to and on the conditions under which it is administered. So you need to check out your test with your participants, administered using your study protocol.

Ravishankar Suryanarayana

THEN YOUR QUESTIONNAIRE WILL BE A MODIFIED ONE , NEED TO TEST RELIABILITY. YOU CAN PILOT IT ON SUBJECTS DEVELOP SCORES AND USE SPLIT HALF METHOD OR EVEN YOU CAN COMPUTE CRONBACH ALPHA IN SPSS TO CHECK RELIABILITY.