Is there a validated Swedish, Norweigan or Danish version of the International Index of Erectile Dysfunction (IEEF5)?

The IEEF-5 is transalted and validated for several languages, but I have not found a validated version from Scandinavia. Grateful for information regarding this questionnaire and its usability,...

06 July 2018 3,643 0 View

What is the optimal procedure for testing pragmatic validity of instruments after translation?

To ensure that translated instruments have a pragmatic validity and thus will be both used and and that the results will be of interest to clinical practice, my question regards the optimal...

02 March 2018 9,344 7 View

Is there any scientific methodology written on "trichotomization"?

In quality reports regarding school results etc it is common to use a 10 point numeric scale and then trichotomizing the results into three categories from the original ten categories, when...

10 November 2015 1,803 5 View

What would you cobnsider to be the lowest accptable reasponse rate concerning online-questionnaires?

04 May 2015 6,445 3 View

What are your experiences of scoping studies compared to more systematic reviews?

In what cases would the different research models be most appropriate and why? What are the benefits and the disadvantages of using them?

09 October 2014 6,670 0 View

What is the correct sample size when performing av explorative factor analysis for construct validity in a psychometric study?

In the literature that I have found so far, the answers to this question is varied and I am interested in a getting a clearer picture and recommendations.

08 September 2014 5,463 19 View

Can an exploratory factor analys from an original psychometric testing of an instrument be used in a confirmatory factor analysis in a new language?

Can an exploratory factor analys from an original psychometric testing of an instrument be used in a confirmatory factor analysis in a new language, i.e. when translating, adapting and testing the...

08 September 2014 4,015 4 View

Which is preferable for a scale in a questionnare, 3 or 5 options for answers?

In adapting a questionnaire with the options "agree", "uncertain", "disagree", my questions is if it would be preferable to include the options of "Partially agree" and "partially disagree". What...

08 September 2014 1,867 13 View

Can a questionnaire be considered valid, if the researcher has used pragmatic validity testing in several steps?

The questionnaire covers work related health from the perspective of the worker, the organization and the management investigated from the physical, psychological and environmental view. The...

06 July 2014 5,289 2 View

Why do you use Researchgate and what is your perceived value of using Researchgate?

01 January 1970 8,501 4 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

How to compute the internal consistency of a scale with ordinal items?

Hi community, I am trying to determine what is the best way to calculate the internal consistency of a newly developed self-esteem scale. I am working together with two other researchers on the...

28 February 2021 1,369 5 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

Inpatient DBT to reduce parasuicidal behaviour?

Currently trying to obtain as many pieces of research as possible for my dissertation around the implementation of DBT within the inpatient unit for those with a diagnosis of BPD. Primarily...

23 February 2021 5,654 2 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

How to perform EEG classification of Alzheimer and control groups?

I am doing a project on classification of EEG signals of Alzheimer's disease and control groups. Previously, I extracted the alpha power of the EEG signals and found out the strengths. I want a...

18 February 2021 8,502 2 View

How to perform Kaplan-meier survival analysis in SPSS?

Hi everyone, This is my first time of attempting to run survival analysis. I have a data on patients with End-stage Kidney Diseases (ESKD). I would want to run survival probability by treatment...

16 February 2021 2,647 3 View

What are some alternatives to the Self-Directed Learning Readiness Scale (SDLRS) developed by Dr. Lucy L. Guglielmino?

The Self-Directed Learning Readiness Scale (SDLRS), also known as the Learning Preference Assessment (LPA), was developed by Dr. Lucy M. Guglielmino in 1977 to measure learners' attitudes of and...

15 February 2021 3,095 4 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

How does trust influence the development of environmental projects?

Hello Scholars, I am exploring "trust" relevance in the development of socio-technical systems. What is your perception of cognitive values like trust to the energy transition/implementation of...

09 February 2021 8,133 5 View