When testing those claiming to be able to see auras around people's heads, magician James Randi issued this challenge: "Then if I were to step behind a wall barely taller than I am, you could determine my location from the aura visible above my head, right?" This type of challenge shows Randi's:

The correct answer is - an empirical approach.

Explanation:

An empirical approach is an evidence-based method that draws on observation and experimentation. In this approach, one interprets and study the information on the basis of experiment and evidence. It includes received through experience and attained through the five senses.

James Randi a magician issued the challenge that if one stands behind a wall barely taller than person, to find the location from the aura visible above my head shows the empirical approach of the challenge.

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.