Andrés Fandiño-Losada

8 Questions 20 Answers 0 Followers

Questions related from Andrés Fandiño-Losada

Does someone know guidelines for identifying Knowledge Gaps in Health Research?

Dear RG members? Does someone know guidelines for identifying Knowledge Gaps in Health Research? In the literature, there are some systematic reviews about the knowledge gasps in some areas (e.g....

05 August 2016 5,674 6 View

Is it mandatory to adjust for sample survey design when analyzing regression models from complex surveys?

Dear RG Members. I am using the Demographic & Health Surveys (DHS) data in a research about children's maltreatment. As you know, DHS data have a complex sampling design with strata and...

23 April 2016 6,978 3 View

How to calculate prevalence of a disease with missing data in the test of the survey?

Dear researchers. We are doing a study for estimating the prevalence of a disease diagnosed by a blood sample test. Some participants have answered the survey questionnaire but have refused the...

01 March 2016 2,524 3 View

What is the best scoring method for the Conflict Tactics Scales?

I am working with the Partners Conflict Tactics Scales and the Parent-Child Conflict Tactics Scales. Both sets of scales include several types of violent / maltreatment actions. Each sub-scale has...

10 July 2015 5,169 5 View

What is the most suitable approach for Confirmatory Factor Analysis (CFA) with non-normal data?

Hi, I am testing the factorial construct validity of an instrument which includes 15 Likert-type items. These are non-symmetrical. My sample size is around 600. Using Confirmatory Factor Analysis...

20 June 2015 4,160 8 View

How can I do exploratory Factor Analysis and non-multivariate normal data?

Hello RG researchers. The theory says that data from items for Exploratory Factor Analysis (EFA) should have a multivariate-normal distribution. But I am working with Likert type items and their...

24 February 2015 4,432 8 View

Is it appropriate to include the clustering variable as a confounder variable in multilevel mixed models?

I am doing a study about an intervention targeting pupils of schools, in different cities. Thus, it is a multilevel structure and I am using mixed models for regression analyses. Contextual...

17 July 2014 6,389 4 View

Is there an alternative to the Cronbach's alpha for scales that have different numbers of items?

I would like to compare the psychometric properties of different instruments focusing on the same concept. But the instruments have different numbers of items. I am interested in reliability, but...

01 April 2014 3,030 35 View