A null value is a special field value, similar to a zero, blank, or any other value, that indicates that the value for the field is missing or otherwise unknown

Laddering is a technique used in in-depth interviews in an attempt to discover how product attributes are associated with desired consumer values

Indicate whether the statement is true or false

The order-fulfillment process involves the activities to deliver a product or service to the customer

Indicate whether the statement is true or false