Plamen Akaliyski

12 Questions 35 Answers 0 Followers

Questions related from Plamen Akaliyski

How can I correctly create a categorical variable out of a continuous one?

Because my independent variable (average weekly work hours) affects the outcome variable in a very curvilinear manner, I want to create a categorical variable and include it in the regression as...

03 March 2015 1,252 23 View

How can I justify the use of statistical significance at the 10%?

I know that if we have small sample size and we wish to be less orthodox, we could report 10% statistical significance as a significant finding. Is there any literature I could refer to to defend...

03 March 2015 280 43 View

How do I interpret the results of interaction effects between two categorical variables?

I will appreciate it very much if someone can help me with the following problem. I am testing whether the effect of my key independent variable (mother's weekly work hours in 3 categories - 0, 1...

09 September 2014 4,078 13 View

Country weights to account for population size in statistical analysis?

I am doing a longitudinal data analysis with aggregated national level data from world value survey. It would make sense to give more weight to countries with higher population. Currently China...

07 July 2013 7,321 11 View

Can you recommend introductory literature on Dynamic Panel Model?

Could be also empirical papers. Something with practical examples using STATA would be ideal.

07 July 2013 3,488 3 View

Can we analyze longitudinal (panel) data with SPSS?

Can we perform random and fixed effects model analysis with binary dependent variable with SPSS?

06 June 2013 6,920 8 View

Is it possible that there is mistake in the data of CIA's World Factbook?

According to their data set the GINI coefficient in Bulgaria grew from 26 (2001) to 45.3 (2007). This is a dramatic change from one of the lowest positions in Europe to the highest in just 6...

03 March 2013 2,443 5 View

What are the main theories of social status/class?

More specifically, I am looking for literature on determination of social status/class. Related question: can self-assessment in a survey be taken as an objective social status of an individual?

03 March 2013 4,833 8 View

What does it take to be a good social researcher?

Which qualities, skills and personal characteristics does a social researcher need to possess to be successful in his field?

03 March 2013 368 31 View

Is there a index which measures how favorable (pleasant) the weather in the country is?

It could be something like the data set in the link below, but for the EU member states (or at least for the capital cities of the EU states). In case such data doesn't exist I would appreciate...

02 February 2013 6,299 3 View

How important is the significance test in an OLS regression analysis when using aggregate data?

For example, when we try to explain "percentage of religious people in a country" by "GDP per capita" in 25 European countries. In this case the data will be representative for the whole...

02 February 2013 6,351 16 View

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11 November 2012 6,219 11 View