________ law is based on the teachings of Karl Marx

Because of the high costs of coupons and their disappointing redemption rates, marketers of packaged goods are doing which of the following?

a. distributing single-coupons that can be redeemed for exclusive brands b. Lengthening the time the coupon can be redeemed to give consumers more time to use them c. shortening the time the coupon can be redeemed to create a feeling of urgency d. issuing more coupons and using more everyday low pricing

Item omission occurs when the researcher fails to include an item in the research project that the client specifically requested

Indicate whether the statement is true or false