How to avoid "begging a question" effect?

The situation is: Sometimes we ask a subject to answer a same question many times in a questionnaire. It creates the effect that the respondent can guess what is the intention of the survey and...

08 September 2018 428 0 View

In SPSS, how to write a code to repeat a linear regression analysis for 500 times (same data pool but random pick each time)? Thanks!

I have 75 samples and want to run 500 times of linear regression analysis for it. That is, each time I can randomly pick 30 samples out of 75 and run a simple linear regression analysis, repeat...

08 September 2014 8,255 11 View

How should I compare R2 and sample size?

Hi friends, I have 140 samples and want to see relationship between IV and DV as IV at low, medium, and high levels. However, sample size for three levels is different. Low is 75, medium is 29,...

08 September 2014 6,021 19 View

Please share one of most logically beautiful or ground-breaking articles in your field

It would be fun to share best articles for teaching and learning, thanks a lot! In my field, I would like to share two...

01 January 1970 7,743 4 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 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

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 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

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 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