The BeO that is formed is amphoteric (other Group 2 oxides are basic). Group Polarization. Retinal then detaches from opsin, is regenerated to the 11-cis state in the cells of the pigment epithelium that surround the rods, and is reattached to an opsin molecule.In most invertebrate photoreceptors the chromophore does not detachâ¦ The difference between the expected productivity of the group and the actual productivity of the group (i.e., the extent to which the group is more or less than the sum of its parts) is determined by the group process, defined as the events that occur while the group is working together on the task. All Group 2 metals except Be, react with water M(s) + 2H 2 O(l) â M 2+ (aq)+ 2OH-(aq) + H 2 (g) With oxygen (air): Be only reacts with air above 600 °C if it is finely powdered. Group Polarization: Group polarization refers to a situation where the attitudes or decisions of people in the group come out much stronger than in actuality. That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Prior studies have proposed that either one of two underlying mechanisms/processes can be used to explain group polarizationâ¦ Why do people in groups tend to behave this way? Of the Group 2 elements only Be reacts with NaOH or KOH to liberate H 2 and form [Be(OH) 4] 2-. To enhance understanding of why group polarization occurs, researchers have identified several group processes and antecedents. Social roles. There are multiple theories adopted by social psychologists to explain why group polarization, also called âgroupthinkâ occurs that all come back to the same initial causeâ the minority changing their opinion for the sake of agreement with the majority. There are three principal reasons, according to his research, which he once laid out at greater length in a Harvard â¦ These ways of thinking constitute the actual precipitation of polarizationâthe direct and immediate causes of holding exaggerated and stereotyped views of each other, treating our political opponent as enemies, exhibiting growing rancor and aggression in public life, and acting as if common ground does not exist. In a study by French psychologists Serge Moscovici and Marisa â¦ Group Polarization- Group polarization (Teger & Pruitt, 1967) is the strengthening of an original group attitude after the discussion of views within a group. social roles. - strengthening of opinion because not hearing dissent - rationalization because of the belief in strength in numbers - focus on the agreed upon ideas again. Group polarization strengthens of the opinions of each person in the group. Group polarization does not occur in all groups and in all settings but tends to happen most often when two conditions are present: First, the group members must have an initial leaning toward a given opinion or decision. taken an interest in group polarization. Group violence is most likely to occur when the group is large, people are able to remain anonymous, and people experience a diffusion of responsibility. The Theories of Group Polarization. What does being in a group impact? Thus, they begin to automatically reject any ideas associated with the âopponent,â or the out group. Another phenomenon that occurs within group settings is group polarization. Groupthink: Groupthink refers to a condition in which members of a group arrive at conclusions based on the pressure from the group as they put their opinions and beliefs aside. In photoreception: Photopigments â¦ channels in the membrane and hyperpolarization (increase in negativity) of the cell. Why does group polarization occur? Certain situations also play a role, such as when resources are scarce, we are surrounded by like-minded people, and/or when emotions are aroused. In group polarization, people who have different views become reactionary and disagree with one another in a knee jerk response because they have identified so strongly with their âteamâ or in group. Why does group polarization occur?
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