What statistical analysis can i use to evaluate my questionnaire survey?

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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 4,888 2 View

What reliability test will I use?

I observed the height of doors of 5 classrooms. So I scored them based from a criteria. So here are the scores: R1- 6 R2- 6 R3- 6 R4- 6 R5- 5 My other co-researcher measured the same rooms. With...

02 March 2016 9,829 3 View

What are some good research topics involving civil engineering projects?

Just need some good topics as my starting point. Thank you!

01 February 2016 7,658 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 7,464 2 View

How is cronbach's alpha used?

I am designing an evaluation instrument and read about internal consistency (cronbach's alpha). I am going to conduct the survey on three different universities. An estimated of 900 people will...

01 February 2016 1,884 10 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 5,186 15 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 8,772 14 View

Where can I download full version of minitab or SPSS?

Kindly post a link. Thank you very much!

01 February 2016 234 3 View

What are some mechanical services in a building?

Need to add information for my literature review.

01 February 2016 6,266 1 View

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

I am going to compare a building's technical performance by conducting an on-site survey of the building and compare these data on the standard requirements of the building. Do I need any...

31 December 2015 9,732 6 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Dr. Showkeen Bilal

Go for content validity by taking experts opinion. And for reliability use test retest method of reliability

Risselle Edullantes

How will i conduct test-retest? how many sample size? does it depend on me? or should i use slovin's formula?

Mohamed Fawzy ُElbardan

Could you have a look on this website :

http://www.slideshare.net/pbbarlow1/common-stats-in-survey-research-final