An organized system of assumptions and principles that purports to explain a specified set of phenomena and their interrelationships is called a(n) _______________

The number of years spent in the country where the second language is spoken is called the learner's __________.

a. length of residence b. period of adjustment c. extent of exposure d. span of inclusion

The acronym, DOMA, refers to the Defense of Marriage Act signed into law by President Obama in 2010

Indicate whether the statement is true or false