in the following link, there is a good article on entitativity, also it is attached.

good luck

https://www.google.jo/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0ahUKEwijtMi0irTLAhVmG5oKHZ7vBOQQFggzMAQ&url=http%3A%2F%2Fallenmcconnell.net%2Fpdfs%2Fentitativitypersuasion-PSPB-2005.pdf&usg=AFQjCNHqjZj7M233bhA-HmZCss-uJEKf1w&sig2=i6PRoD_cNvI5LMwyOVOMlw&bvm=bv.116274245,d.bGs

Hello Maria,

-You may look at :

psychometric properties, validity

at www.ncbi.nim.nih.gov/pubmed/26944468

and

Measures and Manipulations - Muhlenberg College

www.muhlenberg.edu/depts/psychology/Measures.html

Finding Psychological Measures and Manipulations ... Perceived ingroup entitativity and intergroup bias: ... Psychometric properties. Sex Roles, Vol 54 ...

Hope it helps

Thank you very much for your assistance.

in the following link, there is a good article on entitativity, also it is attached.

good luck

https://www.google.jo/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0ahUKEwijtMi0irTLAhVmG5oKHZ7vBOQQFggzMAQ&url=http%3A%2F%2Fallenmcconnell.net%2Fpdfs%2Fentitativitypersuasion-PSPB-2005.pdf&usg=AFQjCNHqjZj7M233bhA-HmZCss-uJEKf1w&sig2=i6PRoD_cNvI5LMwyOVOMlw&bvm=bv.116274245,d.bGs