How should i find Prevalance ration in a cross sectional study in SPSS?

i want to find the association between salivary flow rate and body mass index and there is a negetive associatin as there is association between flow rate and gender so i want to show that how...

10 November 2017 6,524 3 View

How do I determine sample size?

09 October 2015 3,976 8 View

What is logic for numbering of carbons in riboflavin molecule?

05 June 2015 5,351 0 View

Why adenine and thymine make two hydrogen bonds between each other

i want to know that why the hydrogen of second carbon of adenine does not make a hydrogen bond with oxygen of second carbon of thymine .

08 September 2014 8,966 3 View

Can Arf5 protein be lowered in diabetes?

Seeking an article about effect of Arf5 protein on diabetes. As this protein is an GTP binding protein and controlling the normal signalling and transport and also in diabetes GTP/GDP disturbance...

04 May 2014 6,424 0 View

When performing a Mann-Whitney U test in small sized data, the distribution is not normal. Should I change the distribution to normal?

I want to analyze the quantitative data between two independent groups. The number of samples in each group is 6 and the distribution is not normal distribution. The U test is used to find the...

03 April 2014 9,564 11 View

I have extreme values in my data. What should I do?

I want to analyze the quantitative data between two independent groups. The number of samples in each group is 6 . Between these 6 samples, I have two extreme values that affect the data . If I...

03 April 2014 5,000 13 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View