Can I ask for sample journals about concrete?

Hi! Do you have some samples of Raw Rice Husk as substitute for concrete fine aggregates? thanks

09 October 2016 4,811 2 View

What reliability test will I use?

02 March 2016 9,761 3 View

What are some good research topics involving civil engineering projects?

01 February 2016 7,587 0 View

What do you mean by interior design?

Does it focus mainly on the design layout of the building? Or it has something to do with internal decorations?

01 February 2016 7,384 2 View

How is cronbach's alpha used?

01 February 2016 1,791 10 View

How will I conduct face validity?

My concerns: 1. If my target respondents are students having for example a population of 1000, should i use slovin's formula to conduct face validity? Or does it depend on me? 2. I have limited...

01 February 2016 8,623 14 View

Why do you need a pre-testing of a questionnaire survey?

My research team is going to conduct a satisfaction survey. Do we need to conduct a pre-testing first? Why?

01 February 2016 5,014 15 View

Where can I download full version of minitab or SPSS?

Kindly post a link. Thank you very much!

01 February 2016 160 3 View

What are some mechanical services in a building?

01 February 2016 6,176 1 View

I am going to compare a building's technical performance. Do I need statistical analysis?

31 December 2015 9,623 6 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View