Hooman Jafari

7 Questions 13 Answers 0 Followers

Questions related from Hooman Jafari

What kind of analysis with binary dependent variable?

I have 10 independent variables (gender and 9 ordinal variables) and just 1 dependent variable consisting of 4 questions with yes/no answers. I converted "no" answers to 1 and "yes" answers to 2...

15 October 2021 5,217 10 View

Continuing gathering data when the hypothesis is approved?

Hello , I'm finalizing my paper and my hypothesis is being approved by 400 responses I got from my survey. Is there any point in taking 100 or 200 more responses? Would that strengthen the...

26 September 2021 5,393 4 View

What would be the best linear regression strategy?

Hi, I have 11 variables (with 4 of them being sociodemographics) that predict my dependent variable. I want to perform linear regression analysis and I have two options. One: Exclude...

09 March 2020 2,529 20 View

Which one is the regression results?

I ran a linear regression with one variable predicting the dependent variable. I got two sets of results with different Std.Errors with one being under model summary and another being under...

03 March 2020 3,503 5 View

Is it OK to use more than one statistical analysis software to analyze the data and report the results in the research paper?

I'm analyzing my data and since no statistical analysis software is perfect, I was wondering if it's possible to use more than one statistical analysis softwares to analyze the data and...

02 March 2020 726 8 View

Can I use different scales in a measure in my questionnaire?

I'm designing a questionnaire and I came up with a measurement consisted of three items. All three items are measured on a 5-point scale but they're different with first item (1=extremely...

09 February 2020 7,367 3 View

Multiple regression in a blockwise manner vs simple multiple regression

Almost all papers I read (in social science) used multiple regression in a "blockwise" manner instead of including all variables at once. I was wondering if it's even possible in our field to not...

01 January 1970 7,407 15 View