Sample Size for Case Control and Randomized Control Design Studies?

Okay, so I am doing a study on Iron Deficiency Anemia. In the first phase, I will determine the prevalence and then I need to go for Case control and an RCT. I need to ask if I have to calculate...

09 October 2016 7,428 8 View

Sample Size Calculation?

Hello One of my students is interested in assessing the nutritional status of school going children in a particular city. How can we calculate sample size for this and what will be the...

03 April 2016 7,487 20 View

Is Zotero a good citation source?

Any help please?

03 April 2016 4,844 5 View

Can someone share a website providing the ranking of journals in various fields?

(The ranking should preferably be impact factor wise).

02 March 2015 603 0 View

ONLINE PhD IN PUBLIC HEALTH

06 July 2014 6,700 0 View

Why cannot world and community leaders be gentle? Where did ethics of care go?

The whole world is in a mess and paused. We all are tired of seeing hypermasculinized and destructive leaderships all around us. This world has seen enough of the aggressive patriarchal social...

23 February 2021 292 7 View

Why is ethics significant in business and how should one control unethical behavior ?

1. The significance of ethics to business and how to control bad behavior.

21 February 2021 882 14 View

Describe a serious ethical dilemma you have experienced. Use the 12 questions developed by Laura Nash to offer a solution to the problem?

Describe a serious ethical dilemma you have experienced. Use the 12 questions developed by Laura Nash to offer a solution to the problem.

21 February 2021 9,133 2 View

Discuss the extent to which morality in African traditional societies can be classified under the Natural Law theory of morality?

How can one classified African traditional societies under natural law

18 February 2021 7,334 8 View

Trouble shooting with his tagged protein expression in E.Coli?

i have issues in expressing a chicken protein in BL21 cells with his tag. I do not see induction even at 18 degrees. Any suggestions

15 February 2021 8,939 3 View

How to derive equations for a resonant buck converter with ZVS?

I am not understanding how each author is deriving the equations and the working principle. Individual authors are giving their own working principle explanation for different circuit topology....

12 February 2021 496 1 View

During an anti-His capture ELISA has anyone had issues with histidine residues from secondary antibodies non-specifically binding?

Hi, Hope you can help. Currently been running some sandwich ELISA assays where I coat with anti-His, block and then capture His-tag protein and then sera and then anti-bovine monoclonal...

07 February 2021 7,101 1 View

How to clean up an already pure protein from grwoth medium?

Hi all, I have got a protein, expressed in P. pastoris vector, more than 97% (SDS-page) pure in the culture medium after cells separation. Despite the protein expressed has a his-tag, Nichel...

04 February 2021 5,173 6 View

Which ethical metrics is expected from an academic who is the owner or the creator of the measuring instrument?

Which ethical metrics is expected from an academic who is the owner or the creator of the instrument? The measurement tool will be applied to adults as an online form and a snowball sample will...

01 February 2021 9,188 3 View

Prompt research in the direction of "deprivation and adolescents" please?

01 February 2021 6,401 3 View