The omega reliability coefficient is designed for multidimensional measurements?

I want to know if the typical form proposed by Mcdonald, is applicable for multidimensional measures such as the "Big Five". What do you think of the Hierarchic Omega that is used for such purposes?

06 July 2018 7,605 0 View

Indices bias effect or method?

Does anyone know if there are indexes for the bias effect (sometimes called the effect of the method), something like the auxiliary indexes of the bifactor models?

03 April 2018 3,710 1 View

Do short tests in psychology have more advantages than disadvantages?

Currently there are common short tests in psychology, of 4 items, 3 items and a single item, what is your opinion about these practices ?, consider that has more advantages than disadvantages

08 September 2017 763 14 View

How can I interpret method bias in SEM

07 August 2017 4,116 0 View

How to interpret an intercept in SEM

How the intercepts are interpreted and it is important to report in the structural equation models

06 July 2017 4,621 0 View

What are the steps to reduce the number of items in a test, from the SEM approach?

Someone can recommend me different decisions to reduce the amount of items of a psychological scale

02 March 2017 7,707 2 View

Hi. Anyone knows how to simulate Likert scale data in r?

I want to know more about simulation data associated with psychology in the R program

06 July 2016 4,091 6 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 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

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View