Matching responses from same respondent in a longitudinal study?

As there is always some attrition in longitudinal research, then how can a researcher match the responses from same respondent at T1, T2 and T3...... in a longitudinal survey design? So that a...

08 September 2017 4,496 4 View

Paper getting reviewed before sent to any journal?

07 August 2015 5,481 6 View

Interpretation of different indices in AMOS (SEM)?

AMOS output always come up with different indices such has NFI, CFI, GFI, RMSEA etc. Can we say that these indices are alternatives to reliability and validity tests?

05 June 2015 8,538 2 View

How to consider effects of rapid warm adaptation in modeling of ecological impacts of warming?

I would highly appreciate it if my fellow ecologists (biologists) provide their opinion on the thoughts below [esp., shortly tell us which path may be more effective, if they know another way, if...

15 February 2021 3,642 6 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

How to calculate the sample size in an interobserver variability study?

Hi I am conducting an interobserver variability study where we have 12 raters who are going to rate samples of lesions. They will rate up to 10 variables per sample. Although the size of the...

12 February 2021 7,276 3 View

How to calculate response rate if the number of eligible respondents is not available?

Hi All, I am carrying out an international research with clinicians (speech-language pathologists/ therapists). International professional associations will be distributing the questionnaire link...

02 February 2021 5,306 3 View

How is it possible to rank variables using Likert scale?

Hello Everyone, I have a questionnaire of a 3-point Likert scale for an overall evaluation for a service, and several detailed attributes evaluation of that service. For example: Overall...

31 January 2021 9,612 8 View

How do you multiple impute item scores and perform a linear regression on factor scores?

I am developing a questionnaire and first performing an exploratory factor analysis. After I have the final factor structure, I plan on regressing the factor scores on some demographic covariates....

18 January 2021 883 8 View

Have an interesting article relating to climate impact on the energy system?

I will be guest editing a Special Issue "Climate Variability Impacts on the Energy System". The Special Issue covers issues relating to climate variability and change (CV&C) impact on the...

01 January 2021 3,059 1 View

How do I access Domestic Violence Attitude Scales or find them for free?

Hi, I'm a postgraduate student currently starting up a research project on attitudes towards domestic violence (DV). The study will aim to compare cultural differences between attitudes and...

31 December 2020 781 3 View

What is the best Quality of Life questionnaire for chronic patients?

Hello! I am looking for a SHORT questionnaire/scale to measure Quality of Life in chronic patients (e.g. fibromyalgia, or multiple sclerosis). Ideally, validated for English and Spanish speakers....

22 December 2020 9,962 4 View

Is it always mandatory to report and test the validity and reliability of a newly developed questionnaire?

Hello everyone! Currently, I am doing an observational, cross-sectional study on knowledge, atittude, and practice towards thalassemia in Indonesia. My area of interest is in population studies....

16 December 2020 3,725 16 View