The phi phenomenon is an apparent movement produced by
luminous impulses in classification, while beta movement is an apparent
movement produced by luminous still impulses. Wertheimer supposed the apparent
motion applied that the phenomenon was not really experienced it was just an
illusion, so as an alternative he used phi phenomenon.
In terms of the basic social categories, Nestor’s
cross-country fellow club members are the ingroup. This is a type of group
which is social that an individual involved in the group has been identified
his or herself as a member of the group.
