Sample size in quantitative study?

If I want to measure the programme effects by using a questionnaire with 20 items and having a control and intervention group, how I can calculate the sample size? to write my proposal. any...

26 September 2020 4,842 3 View

Concurrent research design?

If i want to study the experiences of ( students, teachers and administrators ) related to a new course by using a questionnaire with students and teachers and interviewing the volunteer teachers...

07 September 2020 8,311 8 View

Using a Survey in different way, from pre-post tool use it as control intervention group?

Hi, I fund a questionnaire and I want to apply it in my study, this tool was used as pre-post test tool for intervention, but I already applied the intervention as elective for participants and...

26 July 2020 3,682 3 View

How can I prepare 1M Zinc Oxide nano-powder?

How I can make Zinc oxide nanoparticles without heating them ? I will use plant extract.

24 March 2020 1,220 7 View

Difference between FE and hand calculations of finding cantilever natural frequencies?

Hi, I have modelled a cantilever beam using a shell model and run the model for modal analysis. The numerical and hand calculations are not converging, especially for higher modes. Do you have an...

02 February 2020 9,971 3 View

Why there is duplicate mode shape in Abaqus results?

Hi, I have modeled an i-section cantilever beam and run modal analysis in Abaqus. The first and second natural frequencies are 72.116Hz and 72.35, respectively. Both of them have the same...

19 January 2020 9,416 4 View

Can KMO and bartlett's test be conducted for each dimension instead of overall model?

For testing national culture theory for example, there are four dimensions with each a set of related items. From the sample we get, I would think it better to analyze each dimension for its own...

04 December 2015 7,815 3 View

I have a really small sample size (7 countries) each with 13 independent variables and 2 dependent variables. For correlation, would it be spearman?

As regression is not feasible because of the sample size, to try to find the relationship between these 13 IV on the 2 DV, correlational analysis would have to do. However, I am unsure as to which...

23 September 2015 1,168 4 View

Any suggestion for PHD proposal in health sector

Good morning I hope you all doing great and safe I got Bachelor degree on health administration and master on health administration concentration in health informatics . I want to start a PHD...

01 January 1970 866 3 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

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02 March 2021 3,060 3 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

How does one access the Cranet survey data on HRM practices?

Hello, The Cranet website does not provide any lead to the data obtained from their multinational survey on HRM practices. Any help on accessing the data would be most appreciated. Thank...

01 March 2021 9,536 3 View

Is stone a sustainable material? Is it a sustainable approach to use natural stone waste in architecture?

I'm designing a zero-waste restaurant and considering using marble waste to make some tables and a bar countertop. My clients think it's not "sustainable enough" and I would like to have more...

01 March 2021 4,326 7 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

How the values of errors can be calculated for thermodynamic data?

I have calculated thermodynamic parameters for surfactant solutions in aqueous and mixed alcoholic solvents. I want to calculate the value of errors in the data and represent it in the table along...

22 February 2021 239 2 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View