Bin Jiang

6 Questions 25 Answers 0 Followers

Questions related from Bin Jiang

How to avoid "begging a question" effect?

The situation is: Sometimes we ask a subject to answer a same question many times in a questionnaire. It creates the effect that the respondent can guess what is the intention of the survey and...

17 September 2018 2,299 0 View

What environmental impacts in China and USA will be caused by the trade war between them?

The question is based on the hypothesis that the 100 billion USA dollars trade war will happen between China and USA and it will last for years (say at least three years).

09 April 2018 3,170 6 View

How to decide/mix different sounds for an urban environment?

I plan to examine the effects of mixed sounds on human mood. I have three types of sounds: nature sound, traffic noise, and mechanical noise. I want to mixed them and produce three types of sound:...

09 August 2016 8,581 15 View

Threshold values for urban greenness or tree canopy coverage?

In the United States or other western countries, are there any state or national regulation on the minimum/Maximum level of greenness or tree canopy coverage for the urban/suburban community (or...

27 January 2016 1,756 3 View

In SPSS, how to write a code to repeat a linear regression analysis for 500 times (same data pool but random pick each time)? Thanks!

I have 75 samples and want to run 500 times of linear regression analysis for it. That is, each time I can randomly pick 30 samples out of 75 and run a simple linear regression analysis, repeat...

27 September 2014 7,676 11 View

How should I compare R2 and sample size?

Hi friends, I have 140 samples and want to see relationship between IV and DV as IV at low, medium, and high levels. However, sample size for three levels is different. Low is 75, medium is 29,...

04 September 2014 5,030 18 View