Reliability of the ILI subscales and the short form in two Polish samples in comparison to original versions (Cronbach’s alpha)
| Independent variables | Number of items | Sample 1 (N = 375) | Sample 2 (N = 703) | Original version (2014, 2018) |
|---|---|---|---|---|
| Full version | 15 | 0.98 | 0.97 | 0.98 |
| Prototypicality (“Being one of us”) | 4 | 0.94 | 0.93 | 0.91–0.96 |
| Advancement (“Doing it for us”) | 4 | 0.96 | 0.94 | 0.89–0.95 |
| Entrepreneurship (“Crafting a sense of us”) | 4 | 0.96 | 0.95 | 0.88–0.95 |
| Impresarioship (“Making us matter”) | 3 | 0.93 | 0.90 | 0.92–94 |
| ILI short version | 4 | 0.93 | 0.89 | 0.92 |
| Independent variables | Number of items | Sample 1 ( | Sample 2 ( | Original version (2014, 2018) |
|---|---|---|---|---|
| Full version | 15 | 0.98 | 0.97 | 0.98 |
| Prototypicality (“Being one of us”) | 4 | 0.94 | 0.93 | 0.91–0.96 |
| Advancement (“Doing it for us”) | 4 | 0.96 | 0.94 | 0.89–0.95 |
| Entrepreneurship (“Crafting a sense of us”) | 4 | 0.96 | 0.95 | 0.88–0.95 |
| Impresarioship (“Making us matter”) | 3 | 0.93 | 0.90 | 0.92–94 |
| ILI short version | 4 | 0.93 | 0.89 | 0.92 |
Source(s): Own elaboration
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