Mediator analysis with SEM?

Hello, I have a question about the calculation of mediator analysis. As we all know, there are different ways to examine mediator variable. One of the methods is using structural equation...

04 May 2019 9,812 5 View

Item extraction from a valid and reliable scale?

Hello, In our research, we used a scale that is valid and reliable. To check the factor structure, we used EFA and see that some of the items are not working (5 out of 24 items). Is it...

31 December 2017 5,678 4 View

Respondents for test-retest reliability?

Hello, How many respondents are necessary for test-retest reliability? In my opinion, with test-retest reliability men analyze the correlation between two different scores therefore respondent...

11 December 2017 8,434 3 View

Secure and Anxious Attachment ?

Hello all, We all know the theoretical basis of attachment theory of Bowlby. In the latest literature, the attachment theory is applied to both romantic relationships and relationships with God...

11 December 2017 7,879 1 View

What to do in statistics class?

Hello, As we all know, psychology students have a prejudice towards statistics... What can I do to take their attention and to break this prejudice? Any interesting class activities??? Thank you...

10 November 2017 5,218 7 View

Participants for reliability and validity?

Hello, I have two very important questions. These are as follows; 1- How many respondents do I need for test-retest reliability and criterion validity? 2- For test-retest reliability must I apply...

08 September 2017 8,868 6 View

Structural Equation Modeling, number of participants?

11 December 2016 6,152 4 View

SEM with AMOS or LISREL?

Hi, For the first time I want to analyze my data with using Structural Equation Modeling. I have read too much theoretical books about SEM. I draw the schematic presentation of my variables...

01 February 2016 6,819 8 View

Family Leadership Orientation Scale ?

Hello all, We developed a scale which measures family leadership orientation in four dimensions, namely economical, social, political and cultural family leadership orientation. If you are...

01 February 2016 5,915 2 View

Excluding items from a scale?

Hi, I want to ask a question about excluding items from a scale. For my research I will use 'Parasocial Interaction Scale. This scale consists of 14 items. Two items of this scale is not relevant...

31 December 2015 9,472 14 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

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

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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 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