Underestimation of medications adherence?

We all know that patients may overestimate medication adherence especially by subjective method. However some patient may underestimate. Could we discuss the reason behind this medication taking...

04 May 2018 6,611 0 View

Could anyone explain correct factorial structure?

Sample Size. Costello and Osborne15 empirically tested the effect of sample size on the results of factor analysis and reported that 70% of the samples with a ratio (sample size: number of items)...

11 December 2017 7,539 0 View

What is the solution for this error?

I have got the following error message while I tuned the instrument LC-MS ( Error-1 no peaks returned by the peak finder).

09 October 2017 1,324 0 View

What can i use to analysis data?

I am studying adherence to medications and my patients are coded as 1 male,2 female and adherence to medications was coded as 1 adherent,2 non-adherent. The number of medications for each patient...

09 October 2017 3,819 1 View

How could I get ethical approval for Morisky green questionnaire?

I understand that before application of Morisky green questionnaire I should get a permission but how can I get an ethical approval for this questionnaire in another country with different...

31 December 2015 6,272 3 View

Why is Hill Bone questionnaire valid for black population?

31 December 2015 7,251 2 View

How can I collect info. about the popular medications in my country?

31 December 2015 3,164 13 View

How to calculate sample size in phD thesis?

research would be by direct (biological sample)and indirect (questionnaire)

11 December 2015 2,470 3 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

How to manually calculate p value in ANOVA? what is the equation or formula for it?

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View

Treating Intermediate Variable in Linear Regression Analysis in SPSS?

While performing the Linear regression analysis in SPSS version 26.0.0. my intermediate/mediation variable goes to the excluded section. Please share your valuable suggestion "How to restrain the...

25 February 2021 4,591 5 View