Inter-Group and Intra-Subject Factors Used in the Psychophysiological Tests
| Factors | Number of Treatment Levels | Description of Levels | |
|---|---|---|---|
| Inter-Group Factor | Treatment Factor: Experimental Group | 3 | Group P/G = Subjects who viewed the messages with positive valence and gain end-state |
| Group N/P = Subjects who viewed the message with negative valence and loss end-state | |||
| Group Neutral = Subjects who viewed the neutral message (Control Group) | |||
| Intra-Subject Factors | Trials | 20 | Corresponding to 20 IAPS images in each message |
| Seconds | 7 | The number of seconds (7) that each image was projected on the screen | |
| Corrugator (Frown) & Zygomatic (Smile) Muscles | 2 | Measures corresponding to the corrugator and zygomatic muscle responses used in the combined analysis of both measures |