What should be our priority in the selection of instrumental varaiables?

More Abiodun Olusola Omotayo's questions See All

Kindly assist me with Basic Econometric Book link(s) for Beginners?

Econometric Book links

02 March 2018 5,570 10 View

No title

Teach me please

01 February 2018 6,057 18 View

Should Publication (s) actually be a steering wheel or a spare tyre (fixed quickly when needed per time) in our academic endeavor ?

Is publication a steering wheel or spare tyre......

01 February 2018 2,872 15 View

Any idea about Post hoc test After ANOVA?

ANOVA

01 February 2018 6,897 29 View

What is spurious (or nonsense) regression? What does this imply for regression analysis?

Spurious regression...

01 February 2018 6,963 13 View

What do you see to the need for strict and firm establishment as well as adherent to child protection policies in the developing nations of the world?

Child training is fine but some other dimensions of child protection that have been abused in the developing nations should be looked into.What is your take about this........

01 February 2018 1,293 5 View

Don't you think people need Entry level training before being absorbed/employed into academics/research just like most industries do?

In almost a decade as academics,have seen all manner of attitudes from the academics and feel if they were properly trained before being staffed,they probably wouldn't have been like that. Don't...

01 February 2018 9,628 35 View

Do you know anyone (neighbors, family, friend) who's given up agriculture? Why exactly are they doing that ? Economic problem,climate change or what ?

Throwing in the Towel as per Agriculture

01 February 2018 2,423 15 View

How possible is the act of engaging and supporting stakeholders in preventing child exploitation in your locality?

Child exploration is a common act in the local settings of the developing nations where people engage under-age children in laborious activities......How of help can you be.............in your...

01 February 2018 3,622 8 View

How should i approach a person to initiate collaboration?

How to innitiate academic research collaboration?

31 December 2017 3,220 17 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

Reliable and Valid Instrument for Causes of Medical Errors?

Is there any questionnaire/survey that measures the causes of medical errors? Example: physician negligence vs. systemic issues. Looking for a reliable and validated instrument. Thank you!

15 February 2021 2,874 4 View

How do I categories into groups on SPSS?

I am using the 'Revised Cyber Bullying Inventory'. This instrument has 2 sub-scales (bully scale and victim scale). From the responses, they will be divided into 4 groups (pure cyberbullies, pure...

13 February 2021 5,787 4 View

Which is the best wavelength to study aerosol optical depth(AOD) related to climate reseach,which criteria must be adopted in choosing the wavelengh?

We are doing a study on impact of aerosol on precipitation. Which satellite data and which wavelength will be the best. or can some one suggest a criteria to be adopted to choose an instrument...

12 February 2021 6,324 3 View

How to correctly reference instruments in systematic review following APA?

Hello, I am running into an issue and do not know how to cite / reference correctly here. APA states that instruments and measurements need to be referenced with the author's name. At the same...

11 February 2021 9,523 3 View

Rousseau Psychological Contract instrument?

Hi, I would appreciated if someone who's studying the Psychological contrat could help me about this questionnaire : My question is the following : Is someone can help me identify how wich...

09 February 2021 9,162 3 View

Handheld Portable Raman spectroscopy systems - recommendations and experience?

Hi all, I am looking for some general feedback and information from those that have experience using handheld/portable systems? I am looking at the prospects of using an off the shelf system from...

07 February 2021 9,691 3 View

Can anyone direct me to an existing Validated Health Care Survey/Instrument?

Hello, I am working on a paper and looking for an existing Validated Health Care Survey/Instrument. I have been performing virtual ergonomic evaluations since the start of COVID and want to...

04 February 2021 4,756 2 View

How to measure cosine, abbe, deadpath errors?

Dear sir, How to measure cosine, abbe, deadpath errors. I know cosine error, abbe error, deadpath error occurs in laser measurement. But how i can identify the cosine error value. Is any separate...

03 February 2021 4,878 4 View

Aurelio Hess

Dear Dr. Omotayo,

Maybe it can help.

http://www.statisticshowto.com/instrumental-variable/

My best wishes.

Prof. Hess

Aparna Sathya Murthy

If depends !! when we start playing with #s those that vary drastically are the ones we want to observe uni or multi -variant .

Adriana Santos-Caballero

Sharing link:

https://www.google.es/url?sa=t&source=web&rct=j&url=https://academic.oup.com/aje/article/174/11/1213/111733&ved=2ahUKEwjA3ZK139rZAhVIwxQKHWXxCiUQFjAAegQICRAB&usg=AOvVaw3VDZxOfknO4vhZZBJBBnGJ

Regards!

Abiodun Olusola Omotayo

Thanks for all these inputs sir.

José Luis García Vigil

In the selection of instrumental objects, thinking of an original investigation, the priority must be to identify and use valid and reliable instruments; in such a way that, in this way, we will have confidence in the measurement and adequate evaluation of the variables under study.

thanks sir

No problem ma

More responses...pls