The case where later information interferes with the ability to retain information that occurred earlier is called:

Excessive anxiety and worry (apprehensive expectation), occur more days than not for at least 6 months about a number of events or activities (such as work or school performance).

What will be an ideal response?

The main advantage of a ______________ study is that the results cannot be influenced by the expectations of either the participants or the experimenters

a. correlational b. single-blind c. double-blind d. observational