Hi all, My research questionnaire has 3 sections each having a mix of yes/no and multiple choice questions. How can I test its reliability ?

The sections are about awareness, practice, and perception regarding waste management. Thanks

20 February 2021 5,722 3 View

Do we need to take IRB approval for quantitative research paper?

Is IRB Approval necessary for writing a research paper on marketing based on quantitative research?

11 October 2020 3,618 5 View

What are some good resources on evaluating a survey for bias and validity?

I am looking for some suggestive reading on evaluating for bias in survey responses.

20 September 2020 7,605 3 View

Why saturated KCl is added in sample water for pH test?

while performing the pH test for water saturated KCl is added in water sample, what's its purpose and what if we forget to add KCl in water during pH testing?

08 September 2019 1,135 3 View

In a 4 point Likert scale on frequency what value should be assigned to the response " Never" , 0 or 1?

In my questionnaire: I have asked, " How frequently a certain topic is taught?" A 4 point Likert scale was developed for the response where following values were assigned to each response: Never:...

16 June 2019 8,443 4 View

Does inter coder reliability for deductive content analysis also supports investigator triangulation for validating the coding process?

Inter coder reliability depends on two separate coders , coding the same data on the basis of certain coding rules. During this process there is reassessment of coding matrix on the basis of...

17 May 2019 322 3 View

For the deductive content analysis can we have the researcher as the coder?

In my study for inter coder reliability , the coders selected for coding data are : CODER 1 : the researcher , herself , that is me CODER 2: a different person from the same educational and...

11 April 2019 8,252 3 View

Please suggest me how to write instructions for coding in case of deductive content analysis?

Please if someone could share , sample of coding instructions to coder for conducting deductive content analysis of the document. ( samples of codebook, coding form for deductive content...

08 April 2019 5,981 3 View

In qualitative content analysis how can we define category, sub-category and code?

Instead of using theme, category , code hierarchy , is it meaningful to use category, sub category and code hierarchy?

31 March 2019 2,962 8 View

What is the best model for representing sustainable development which includes economy, environment, social and culture as its dimensions?

Please suggest how to add cultural dimension particularly in the sustainable development model.

03 March 2019 1,847 12 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

Are these moths Spodoptera frugiperda?

The caterpillars of the moths were collected as fruitborers in pepper at a farmer. I reared them till the adults hatched and compared them with pictures and descriptions on the internet. Are these...

24 February 2021 7,785 5 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

Purification of proteins from baculovirus-infected insect cells?

18 February 2021 6,665 6 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View