When Salina was a young girl, a dog viciously attacked her as she was walking along a white picket fence. Since then, she displays intense fear of white picket fences. Salina is demonstrating:.1. a descriminative stimulus2. superstitious behavior3. stimulus descrimination4. a phobia5. spontaneous recovery

a phobia

Explanation:

Phobia is irrational fear to something. Someone with phobia will have an extreme reaction and fear against the object that cause that stimulus. The trigger of phobia can be vary from animals, object, or even a social condition. Phobia often precedent by a highly traumatic event in the past. In this case, Salina have traumatic event when she is young girl that cause the phobia to white picket fence.

new communications technology has affected the way social movements are organized because nowadays, social movements rely on social networks and the media to get different people with a similar way of thinking in contact, and thus, get them to mobilize for a greater cause.

individuals only participate in collective action when they feel identified with it. is in this aspect that social media becomes relevant, because it guarantees communication among all individuals and organizes the social actions that are going to be carried out, i.e., the social movements.

in addition, being covered by the media is important to validate the message and make it relevant in the social agenda, as well as to reach more people who can share interests, appealing to public sympathy for their cause.

in conclusion, it is by social networks and social media that social movement is given birth; by connecting different individuals with similar ideas and organizing them to mobilize for a greater cause.