Examlex
Which psychologist adopted a pragmatic,trial-and-error approach to psychological measurement that continues to serve as the predominant approach to test construction today?
Medium Of Exchange
Anything that facilitates trade by being generally accepted by all parties in payment for goods or services.
Facilitates Trade
Actions or policies designed to make trade between countries or parties easier, typically through reducing barriers such as tariffs and quotas.
Barter
The direct exchange of one product for another without using money.
Medium Of Exchange
Anything that is widely accepted as a means for the payment of goods and services and repayment of debts.
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