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Crossroads: The Psychology of Immigration in the New Century

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to read <strong>in</strong> <strong>the</strong> home language promotes read<strong>in</strong>g <strong>in</strong> <strong>the</strong><br />

second language. When students are well grounded <strong>in</strong> <strong>the</strong>ir<br />

native language and have developed read<strong>in</strong>g and writ<strong>in</strong>g<br />

skills <strong>in</strong> that language, <strong>the</strong>y are better able to apply that<br />

knowledge efficiently to <strong>the</strong> new language when provided<br />

appropriate <strong>in</strong>structional supports (Butler & Hakuta, 2005).<br />

Unfortunately, however, many immigrant students do not<br />

encounter robust second-language-acquisition educational<br />

programs and <strong>of</strong>ten face <strong>in</strong>dividual disadvantages and<br />

structural l<strong>in</strong>guistic isolations that may h<strong>in</strong>der <strong>the</strong>ir adequate<br />

academic English development (V. P. Collier, 1992; C.<br />

Suárez-Orozco et al., 2008).<br />

Cognitive Effects <strong>of</strong> Be<strong>in</strong>g Bil<strong>in</strong>gual<br />

<strong>The</strong>re is extensive literature on <strong>the</strong> effects <strong>of</strong> l<strong>in</strong>guistic<br />

experience on cognitive performance that suggests <strong>the</strong>re are<br />

positive and negative effects <strong>of</strong> be<strong>in</strong>g bil<strong>in</strong>gual (Bialystok,<br />

2009). Although, as Bialystok po<strong>in</strong>ted out, “know<strong>in</strong>g more<br />

has never been a disadvantage when compared with know<strong>in</strong>g<br />

less” (p. 192), bil<strong>in</strong>gual <strong>in</strong>dividuals do generally have a smaller<br />

vocabulary <strong>in</strong> each language than do monol<strong>in</strong>gual speakers.<br />

Similarly, bil<strong>in</strong>gual persons tend to score lower on verbal<br />

fluency and lexical access tasks and are slower <strong>in</strong> nam<strong>in</strong>g<br />

pictures (Bialystok, 2009). As a result, timed tests <strong>of</strong> verbal<br />

ability that are used as markers <strong>of</strong> cognitive development may<br />

erroneously suggest some degree <strong>of</strong> impairment <strong>in</strong> bil<strong>in</strong>guals<br />

compared with monol<strong>in</strong>guals.<br />

In direct contradiction to this k<strong>in</strong>d <strong>of</strong> evidence, however, it<br />

also appears that multiple language fluency leads to better<br />

executive function<strong>in</strong>g. Because be<strong>in</strong>g bil<strong>in</strong>gual entails<br />

a constant need to control access to different language<br />

memory stores, bil<strong>in</strong>gualism appears to improve controlled<br />

<strong>in</strong>hibition tasks, selective attention, attention shift<strong>in</strong>g, and<br />

updat<strong>in</strong>g <strong>of</strong> work<strong>in</strong>g memory (Bialystok, 2009). Thus,<br />

compared with monol<strong>in</strong>guals, bil<strong>in</strong>gual populations appear<br />

better able to resolve l<strong>in</strong>guistic tasks with ambiguous or<br />

contradictory mean<strong>in</strong>gs. In fact, multil<strong>in</strong>gualism may provide<br />

protection aga<strong>in</strong>st some aspects <strong>of</strong> age-related cognitive<br />

loss. In general, bil<strong>in</strong>guals show improved performance on<br />

tasks that require response selection decisions and conflict<br />

resolution tasks (Bialystok, 2009).<br />

Second-Language Instruction<br />

Second-language <strong>in</strong>struction is a critical component to<br />

ensur<strong>in</strong>g <strong>the</strong> academic success <strong>of</strong> immigrant-orig<strong>in</strong> youth<br />

(Batalova, Fix, & Murray, 2007). <strong>The</strong>re are numerous models<br />

<strong>of</strong> bil<strong>in</strong>gual and language assistance programs for a wide<br />

array <strong>of</strong> practices, programs, and philosophical approaches<br />

(Thomas & Collier, 2002):<br />

• Limited pull-out <strong>in</strong>struction <strong>in</strong> ESL classrooms is most<br />

<strong>of</strong>ten used with learners from different countries who<br />

speak different languages; <strong>the</strong> rest <strong>of</strong> <strong>the</strong> day is spent <strong>in</strong><br />

regular classes.<br />

• Transitional bil<strong>in</strong>gual programs provide academic<br />

support after students transition out <strong>of</strong> <strong>the</strong>ir language <strong>of</strong><br />

orig<strong>in</strong> <strong>in</strong>to English.<br />

• In one-way developmental bil<strong>in</strong>gual programs, students <strong>of</strong><br />

one language group are schooled <strong>in</strong> two languages (e.g.,<br />

English and Spanish) so <strong>the</strong>y can keep up with academic<br />

material <strong>in</strong> <strong>the</strong>ir native language as <strong>the</strong>y learn English.<br />

• In structured immersion programs, <strong>the</strong> curriculum is<br />

simplified and is taught more slowly <strong>in</strong> English and with<br />

a great deal <strong>of</strong> repetition.<br />

• In sheltered English programs, all lessons <strong>in</strong> every<br />

subject are at least <strong>in</strong> part a second-language lesson;<br />

thus a science class is also an opportunity to learn new<br />

vocabulary.<br />

• Dual-language immersion classes <strong>in</strong>volve students<br />

learn<strong>in</strong>g half <strong>of</strong> <strong>the</strong> time <strong>in</strong> English and half <strong>in</strong> <strong>the</strong>ir<br />

native language, with half <strong>of</strong> <strong>the</strong> class be<strong>in</strong>g English<br />

speakers and <strong>the</strong> o<strong>the</strong>r half native speakers <strong>of</strong> ano<strong>the</strong>r<br />

language. This k<strong>in</strong>d <strong>of</strong> program <strong>of</strong>fers greater opportunity<br />

for students to truly become bil<strong>in</strong>gual and expand <strong>the</strong>ir<br />

academic skills by draw<strong>in</strong>g on both languages.<br />

Research suggests that bil<strong>in</strong>gual education programs<br />

produce better results <strong>in</strong> terms <strong>of</strong> academic success than<br />

English language immersion programs (Goldenberg, 2008).<br />

Pr<strong>of</strong>iciency <strong>in</strong> <strong>the</strong> native language is related to academic<br />

achievement <strong>in</strong> <strong>the</strong> second language (Riches & Genesee,<br />

2006). For younger students, children’s native language skills<br />

support literacy development because literacy skills transfer.<br />

When learn<strong>in</strong>g to read, learn<strong>in</strong>g to recognize phonetic<br />

symbols <strong>in</strong> <strong>the</strong>ir native language can speed up <strong>the</strong> literacy<br />

process (August, 2002; G. E. García, 2000; L<strong>in</strong>dsey, Manis, &<br />

Bailey, 2003). Advantages to native language <strong>in</strong>struction <strong>in</strong><br />

later grades have also been found (Slav<strong>in</strong> & Cheung, 2005),<br />

though few published studies <strong>of</strong> educational programs are <strong>of</strong><br />

high quality (longitud<strong>in</strong>al, randomized), and more research<br />

is needed to understand <strong>the</strong> process <strong>of</strong> second-language<br />

acquisition <strong>in</strong> school (Goldenberg, 2008).<br />

56 Report <strong>of</strong> <strong>the</strong> APA Presidential Task Force on <strong>Immigration</strong>

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