Please recommend conceptual framework for research title "Workplace Attitude of Employees with Disabilities towards Building A Healthy Work Environment" Specify dependent variable and affected independent variables with Hypothesis with with explanation.

For the example dependent variable is DV having 5 independent variables such as IV1,IV2,IV3,IV4,IV5

Null Hypothesis 1 (H01): IV1 has no significant impact on the DV. Null Hypothesis 2 (H02): IV2 has no significant impact on the DV. Null Hypothesis 3 (H03): IV3 has no significant impact on the DV. Null Hypothesis 4 (H04): IV4 has no significant impact on the DV. Null Hypothesis 5 (H05): IV5 has no significant impact on the DV.