Final answer:
Instrumental needs are those that often require group cooperation to be fulfilled, as they involve completing tasks or achieving goals that are difficult for an individual to accomplish alone.
Step-by-step explanation:
The needs that cannot always be met by one person, so being in a group enables one to complete tasks or fulfill a specific goal are Instrumental needs.
Instrumental needs are related to task completion and goal achievement, which are often facilitated by being part of a group. This is because groups can combine different skills, resources, and efforts to accomplish complex tasks that might be impossible for an individual to achieve alone.
For example, in a business setting, a team of individuals with diverse skills can work together to develop a product, market it, and manage its sales. Such instrumental activities are goal-directed and strategic, and they help to satisfy our basic socio-economic needs.