How can I do the interaction effect between D and R on the Dependent Variable A?

I test a structure equation model of five variables 2 of them independent and 2 moderate and one is dependent. the relationships in mplus are D by d1 d2; R by r1 r2; A by a1 - a4; M by m1 m2; S...

10 November 2015 6,300 4 View

How can I do interaction effects in structural equation modeling ?

08 September 2015 4,154 1 View

What are the differences among inventory, scale, test and questionnaire?

educational measurement

06 July 2015 1,708 1 View

Web 3.0

What's the properties of Web 3.0 in education?

06 July 2014 8,542 2 View

Spss

How Can i generate a monte-carlo data simulaton in spss with some criteria?

06 July 2014 9,671 0 View

Calculus

I have a data of four variables and I don't know whch program do generate me the equation of those variables?

06 July 2014 2,035 0 View

How can I deal with multicollinearity in regression and structural equation modeling?

And which procedure can I do to treat my data?

04 May 2014 6,572 9 View

In which case can I use cronbach's alpha?

I have a categorical data (binary or likert scale), Can I use alpha coefficient to calculate reliability? I asked if the reliability coefficient is low? what can I do?

04 May 2014 7,908 9 View

How can I do multidimensional scaling in Spss?

What's the procedure to do multidimensional scaling in spss, and in which case shall I do it?

04 May 2014 4,944 11 View

What's the sample distribution of Cronbach's alpha coefficient?

I want to know if there is a sample distribution of coefficient alpha or no? What 's the hypotheses testing for coefficient alpha?

04 May 2014 5,332 3 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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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 test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View