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| Latent variables | Definition | Measurement factors | Measurement items | Source of references |
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| Information quality (IQ) | Learners’ perception of the information provided by the network ideological and political learning platform in use | Accuracy | IQ1: The information provided by the online ideological and political learning platform is very accurate. | ([5]; [7]; [8][9]; [10]; [2]; [11]; [12]; [13]) |
| Timeliness | IQ2: The information provided by the network ideological and political learning platform is always the latest. |
| Integrity | IQ3: The information provided by the network ideological and political learning platform is very systematic and complete. |
| Correlation | IQ4: The information provided by the network ideological and political learning platform can meet the needs of ideological and political learning. |
| System quality (SyQ) | Learners’ perception of the performance of network ideological and political learning platform in use | Stability | SyQ1: Network ideological and political learning platform rarely goes out of action. |
| Operability | SyQ2: The interface design of the network ideological and political learning platform is very friendly. |
| Effectiveness | SyQ3:The network ideological and political learning platform runs very fast. |
| Functionality | SyQ4: The functional modules of the network ideological and political learning platform are clearly classified. |
| Service quality (SeQ) | The gap between learners’ perception and expectation of the network ideological and political learning platform in use | Responsiveness | SeQ1: The network ideological and political learning platform provides me with fast and effective learning support at any time. |
| Empathy | SeQ2: The services provided by the network ideological and political learning platform can meet my learning needs. |
| Technical support | SeQ3: I can get enough technical support when studying. |
| Perceived ease of use (PEOU) | Learners believe that the online ideological and political learning platform is easy to use | Resource availability | PEOU1: It is easy to use the network ideological and political learning platform to obtain learning resources. |
| Platform usage | PEOU2: It is easy to use the network ideological and political learning platform for ideological and political learning. |
| Learning interaction | PEOU3: It is easy to use the network ideological and political learning platform for learning interaction. |
| Problem solving | PEOU4: It is easy to solve the difficulties encountered in the use of network ideological and political learning platform. |
| Perceived usefulness (PU) | Learners believe that the network ideological and political learning platform can improve learning efficiency | Learning resource | PU1: Using the network platform for ideological and political learning can help me better collect learning resources and information. |
| Content presentation | PU2: The network ideological and political learning platform can better present the learning content. |
| Understanding of knowledge | PU3: The online ideological and political learning platform can help me better understand the learning contents, key and difficult points. |
| Mission accomplished | PU4: The online ideological and political learning platform can help me complete my learning tasks more efficiently. |
| Usage attitude (UA) | Learners’ perception and evaluation of the use effect of network ideological and political learning platform | Learning process development | UA1: Using the network ideological and political learning platform will affect the development of the learning process. |
| Learning content acquisition | UA2: Using the network ideological and political learning platform will affect the acquisition of learning content. |
| Learning quality improvement | UA3: Using the network ideological and political learning platform will affect the improvement of learning quality. |
| Behavioral intention (BI) | Learners’ tendency and willingness to use the network ideological and political learning platform | Use of platform | BI1: In the ideological and political learning, I will consider using the online ideological and political learning platform. |
| Learning related skills | BI2: I will actively learn relevant skills of online ideological and political learning platform. |
| Platform promotion | BI3: I will actively recommend the students around me to use the online ideological and political learning platform. |
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