The objective approach to defining groups focuses on characteristics that are observable and measurable. In this context:
1. Common-Bond Groups: Common-bond groups are based on relationships and emotional ties among members, which may not always provide an objective approach to defining groups.
2. Common-Identity Groups: Common-identity groups are formed based on shared characteristics, beliefs, or identities. While this type of group may offer some objectivity, it can also involve subjective elements related to identity.
3. Social Groups: Social groups encompass a wide range of groups within society and can vary in terms of objectivity in defining them.
Therefore, when considering an objective approach to defining groups, out-groups are the most suitable option. Out-groups are defined by their differences from the in-group, allowing for a more objective comparison and classification based on observable distinctions. This type of group representation offers a clearer and more concrete delineation between groups, making it a more objective approach compared to the other options provided.
