Instrumentality is a term that is used by Talcott parsons and Robert Bales to refer to an emphasis on tasks, a focus on more distant goals and concerns for he external relationship between one's family and other social institutions.
Instumentality is of the belief that successful performance will result in some outcomes. And the outcomes will be more technical and instrumental to a set of subjective probabilities.
<h3>both Jan and Duncan are liable on the contract for the purchase of land.
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Explanation:
A contract can be signed by an agent on behalf of an authority if the intended nature of the contract remain the same.
This type of contract signing usually takes in the corporate sector where the head of a firm may hire an agent to sign contracts on behalf of the firm.
When contracts are signed by an agent on behalf of the employer, both the agent and the employer becomes liable to the contract as agents represent the principal/employer.