Hello everybody,
I'm doing an exploratory study, I made an questionnaire after systematic review. I've done content validity. Is it necessary to do construct validity as well?
It can be mentioned that my sample size is 12.
To me yes. Bcs you will face the problem of validity and reliability in next stage if you outright skipped validity in this stage.
Hello, I agree with Anwar. The sample is too small. What is the number of item of your questionnaire?
I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.
03 March 2021 5,266 4 View
I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...
03 March 2021 4,116 4 View
When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...
03 March 2021 4,892 5 View
Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...
03 March 2021 6,193 1 View
We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...
01 March 2021 1,899 2 View
Hello everyone. I have conducted the research on post harvest longevity of tomato crop using plastic packaging and different doses of chemicals as two different factors. The design of experiment I...
28 February 2021 8,189 3 View
Preference in terms of the scientific aspect
28 February 2021 796 2 View
I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...
27 February 2021 1,233 1 View
The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....
27 February 2021 4,450 2 View
I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...
26 February 2021 8,183 3 View
I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...
03 March 2021 8,920 3 View
Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...
01 March 2021 2,215 2 View
01 March 2021 3,905 5 View
I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...
01 March 2021 1,587 6 View
Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...
01 March 2021 9,015 3 View
Pls share your thoughts
01 March 2021 7,330 4 View
We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...
27 February 2021 6,296 1 View
26 February 2021 7,279 2 View
Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...
25 February 2021 7,493 6 View
I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...
24 February 2021 3,823 2 View