Mariska is participating in a research study to determine whether she can detect the difference between two amounts: a circle containing two dots versus a circle with no dots inside. the researcher shows her the empty circle repeatedly until she looks away while it is on the screen. then the researcher shows her the circle with two dots in it, and records how long mariska stares at it. what research method is being used?

Ibelieve b) recall election

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.