How can I see the association between nominal variable and ordinal variable using chi-square test?

I want to see the association between nominal variable (dichotomous) and an ordinal variable, So can I use Chi-square test or some other test?

09 October 2014 6,589 15 View

How to interpret odds ratios that are smaller than 1?

OR = 1 mean that both groups have the same odds. When OR = > 1 (Eg. If OR = 3, i.e the study group have 3 times more odds of having an event when compared to control group. However, when odds...

09 October 2014 7,968 56 View

Is it possible to get non significant results in post hoc test when we got the significant result in ANOVA ?

I got significant results after ANOVA test, but when I applied post hoc Tukey's test, I obtained non significant results. I could not reason it out.

02 March 2014 4,811 49 View

Research Monitoring and Surveillance committee?

As we are facing many problems in research publications like plagiarism, falsification and defrauding. As these research studies may seriously influence the quality as well as development of...

01 February 2014 1,104 2 View

The word "controlled" in RCT: Will it signify the control group or the Controlled environment in which the study is conducted?

Are there any variants of Randomized Controlled Trial? Could anyone suggest me some literature?

11 December 2013 5,352 14 View

Can a randomized controlled trial (RCT) be retrospective?

Recently I came across an article titled "A retrospective randomized study of asthma control in the US: results of the CHARIOT study." I couldn't get the full article, but I have some doubts that...

10 November 2013 1,855 28 View

As a researcher can we motivate subjects to take part in the drug trials?

While obtaining informed consent from the patient we explain about all the procedures and risks involved in the study. While doing this can we motivate the subjects like "your efforts of taking...

10 November 2013 1,581 7 View

Will the publication of interim analysis results of longitudinal RCT introduce bias in the study which will be continued further?

If the interim results are published (usually in sequential trials) where results reveal that one drug is better than another, will such results have an influence on both the investigators and...

10 November 2013 7,373 2 View

How valid is to check for baseline homogeneity in RCT?

We don't determine sample size to see the differences between the two groups after random allocation in RCTs. So is it appropriate to apply statistical tests to see the difference between groups...

07 August 2013 9,516 5 View

No title

05 June 2013 3,118 4 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

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

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View