What do I do next if non-parametric levene's test is significant?

I conducted ANOVA for some variables, each of which had gruops. Soe of the variables had significant values (p < .05). I therefore conducted a non-parametric Levene's test which verified the...

02 March 2018 4,195 0 View

What can I do about my ANOVA - Robust Tests of Equality of Means?

I conducted ANOVA on my data with one Independent Variable (IV3 - Age of Respondent) and 6 Dependent Variables (DVs). The IV3 had 4 groups (age ranges), with the last group having only 1...

02 March 2018 4,833 0 View

I computed pearson's r for 29 continuos variables and got correlations between only 15 permutations within the matrix - with r being > .4, & p<.000?

I computed pearson's r for 29 continuos variables and got positive correlations between only 15 permutations (out of 406) within the matrix. they all have r > .4, & p

01 February 2018 330 0 View

Must i have independent and dependent variables before carrying out regression analysis?

Must i have independent and dependent variables before carrying out regression analysis? Or, if I have my survey variables from my questionnaire, I can carry out regression analysis without...

01 February 2018 5,493 0 View

Please, what are the various thresholds for the value of different statistical coefficients in spss?

Please, what are the various thresholds for the value of different statistical coefficients in spss?

11 December 2017 9,752 0 View

What are the acceptable thresholds or ranges for the various SPSS Descriptives??

Please, after I analyze my data through the descriptives of SPSS, and got my MEAN, STANDARD DEVIATION, KURTOSIS, & SKEWNESS, can you tell me how to interpret the output results? Especially,...

11 December 2017 258 0 View

What are the different ways of categorising the dynamics of an urban area?

In terms of an urban area, apart from 'formal' and 'informal' (like formal and informal housing or labour), what other ways are there to categorise the dynamics in it? Please can I get clear...

01 February 2017 7,776 0 View

What do I do if my data distribution is not Normal?

11 December 2016 2,124 33 View

What are the spss tests and their assumptions?

what are the spss tests and their assumptions?

11 December 2016 7,967 0 View

What ranges of population should i give as options in my questionnaire?

I want to include a question in my questionnaire - WHAT IS THE POPULATION IN YOUR FAMILY HOUSE? What standard ranges are there for me to give as options to choose from? Or should i leave it as an...

09 October 2016 7,417 2 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 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 is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 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