I was thinking of considering a kind of reward or prize for my respondents or donating for each completed questionnaire. Have you had any experience with this approach or any reference I can use? Thanks
see Dillman Total Design Method
Thank you so much
I want to show the strength of associations based on the correlation among 11 items. Has anyone converted a correlation matrix into a figure? What package could be used for this purpose?
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I have a dataset with some missing values. I used SPSS for multiple imputation to have a dataset with no missing values (for AMOS). How should I save and use the pooled outcome in AMOS?
01 February 2015 416 9 View
Any good recommendations for participant recruitment for online surveys on a grad school student budget?
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23 February 2021 6,870 3 View
Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...
21 February 2021 7,457 3 View
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I need to modify the blood pressure in a monkey while is awake in the recording chamber, and I am planing on provide a drug for that in the food or water used for reward... any advise? Thank you
08 February 2021 9,900 1 View
Hi All, I am carrying out an international research with clinicians (speech-language pathologists/ therapists). International professional associations will be distributing the questionnaire link...
02 February 2021 5,306 3 View
Hello Everyone, I have a questionnaire of a 3-point Likert scale for an overall evaluation for a service, and several detailed attributes evaluation of that service. For example: Overall...
31 January 2021 9,612 8 View
I am developing a questionnaire and first performing an exploratory factor analysis. After I have the final factor structure, I plan on regressing the factor scores on some demographic covariates....
18 January 2021 883 8 View