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The effect of language proficiency and associative strength on false memory

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Abstract

In two experiments we examined the role of language proficiency and associative strength in the production of false memory. We constructed Deese–Roediger–McDermott lists using both Spanish and English free association norms. Lists were constructed to vary in backward associative strength (BAS). Experiment 1 participants were native Spanish speakers with some proficiency in English while Experiment 2 participants were native Spanish participants that had either high, intermediate, or low English proficiency. Results showed that, in both Experiment 1 and Experiment 2, false recognition was greater in participants’ dominant language (L1 or Spanish) than in their non-dominant language (L2 or English), and false recognition in L2 increased with L2 proficiency when low-BAS lists were studied (Experiment 2). Further, false recognition was higher in high-BAS lists than in low-BAS lists in both L1 and L2. Finally, we collected a measure of participants’ knowledge of our stimulus words in L2. These data showed that participants had far from perfect knowledge of all L2 stimuli. Analyses that factored out the effects of L2 word knowledge failed to alter the effects of L1 vs. L2, L2 proficiency and BAS on false recognition.

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Notes

  1. Knott et al. (2011) addressed this issue in their research by ensuring that the age-related frequency for words in their stimuli were equated across age groups. Thus, word knowledge differences may be less likely to complicate the age-related false memory differences they found. Nevertheless, this concern applies to other work that did not construct stimuli as purposefully, including all studies that have examined language dominance and second language proficiency to date.

  2. One participant was excluded from all analyses due to a computer error in the recording of their data.

  3. We did not use separate translation scores for critical lures assigned to the low- and high-BAS conditions, because study lists were constructed such that each critical lure had low- and high-BAS associates, and each participant studied either the low- or high-BAS associates for a given lure. Thus, the same lure items were shown in the low- and high-BAS conditions across participants, making a composite measure of critical lure translation the most appropriate way of measuring critical lure knowledge.

  4. The participants were in a proficiency group because they have passed an English test. In this test, both reading and listening comprehension, and written and oral expression were evaluated. Thus, high proficiency participants had passed both the low and intermediate level exams, while intermediate proficiency participants had passed the low-level exam. Low proficiency participants had yet to pass the low-level proficiency exam.

  5. F ratios, mean squared error, p values and η2p are reported from the ANOVA-based analysis of the false recognition data.

References

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Funding

This research was supported by grant SA052G18, awarded to Maria Soledad Beato by Junta de Castilla y León.

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Contributions

All authors contributed equally to this work.

Corresponding author

Correspondence to Maria Soledad Beato.

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Conflict of interest

The authors declare they have no competing interests in conducting this work.

Ethical approval

The research protocol was approved by the Bioethics Committee at the University of Salamanca and has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Informed consent was obtained from all individual participants included in the study. The authors declare that they have no conflict of interest.

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Appendix

Appendix

The DRM lists constructed as stimuli for these studies. BAS list strengths are reported for each list.

Spanish lists

Critical lure

Associated words

BAS

BAS condition

Corazón (heart)

Latido, miocardio, bombear, órgano (beat, myocardium, pump, organ)

0.475

High

Corazón (heart)

Arteria, amor, sentimiento, roto (artery, love, feeling, broken)

0.072

Low

Árbol (tree)

Rama, tronco, abeto, raíz (branch, log, fir, root)

0.483

High

Árbol (tree)

Leña, naturaleza, monte, pájaro (firewood, nature, hill, bird)

0.062

Low

Coche (car)

Volante, maletero, rueda, conducir (steering-wheel, trunk, wheel, drive)

0.533

High

Coche (car)

Moto, rápido, nuevo, pinchazo (motorcycle, fast, new, puncture)

0.067

Low

Basura (trash)

Desperdicios, vertedero, papelera, porquería (scraps, garbage-dump, basket, garbage)

0.420

High

Basura (trash)

Contaminar, mierda, suciedad, desagradable (contaminate, shit, dirt, unpleasant)

0.045

Low

Cárcel (jail)

Rejas, prisionero, prisión, celda (bars, prisoner, prison, cell)

0.452

High

Cárcel (jail)

Culpable, ladrón, corrupto, libertad (guilty, thief, corrupt, freedom)

0.057

Low

Cura (pastor)

Sotana, reverendo, sacerdote, párroco (soutane, reverend, priest, parish-priest)

0.430

High

Cura (pastor)

Diócesis, papa, religión, capilla (diocese, pope, religion, chapel)

0.067

Low

Pelo (hair)

Peine, coleta, melena, patillas (comb, ponytail, mane, sideburns)

0.457

High

Pelo (hair)

Bigote, depilación, largo, corto (mustache, depilation, long, short)

0.070

Low

Luz (light)

Bombilla, lámpara, claridad, vela (bulb, lamp, clarity, candle)

0.492

High

Luz (light)

Día, sol, penumbra, cortina (day, sun, semidarkness, curtain)

0.072

Low

Tonto (silly)

Bobo, imbécil, estúpido, idiota (fool, imbecile, stupid, idiot)

0.456

High

Tonto (silly)

Inocente, insulto, antipático, grosero (gullible, insult, unfriendly, gross)

0.053

Low

Perro (dog)

Ladrar, ladrido, gato, hueso (bark, barking, cat, bone)

0.497

High

Perro (dog)

Caza, fiel, collar, colmillo (hunting, faithful, collar, fang)

0.048

Low

Libro (book)

Capítulo, lectura, prólogo, manual (chapter, reading, prologue, manual)

0.439

High

Libro (book)

Interesante, hojas, cultura, letras (interesting, sheets, culture, letters)

0.060

Low

Muerte (death)

Tanatorio, pésame, sepultura, ataúd (morgue, condolence, burial, coffin)

0.468

High

Muerte (death)

Ceniza, pena, esqueleto, desgracia (ash, pity, skeleton, misfortune)

0.079

Low

Puerta (door)

Pomo, llave, cerrar, blindada (knob, key, close, armored)

0.465

High

Puerta (door)

Entrada, ventana, salida, salir (entrance, window, exit, leave)

0.057

Low

Rey (king)

Monarca, majestad, reina, príncipe (monarch, majesty, queen, prince)

0.474

High

Rey (king)

Infante, poder, reino, castillo (infante, power, kingdom, castle)

0.068

Low

Dinero (money)

Cheque, hucha, ahorro, ingreso (check, piggybank, savings, deposit)

0.482

High

Dinero (money)

Cuenta, recibo, perder, comprar (bank-account, receipt, lose, buy)

0.063

Low

Teatro (theater)

Escenario, interpretación, representación, escena (stage, interpretation, performance, scene)

0.431

High

Teatro (theater)

Aplauso, público, actriz, butaca (applause, public, actress, armchair)

0.052

Low

  1. The approximate English translation for Spanish critical lures and Spanish associated (studied) words are reported in parenthesis

English lists

Critical lure

Associated words

BAS

BAS condition

Board

Chalk, bulletin, dart, skate

0.483

High

Board

Stiff, surf, committee, game

0.055

Low

Bug

Beetle, insect, termite, pest

0.442

High

Bug

Irritate, ant, tick, annoy

0.077

Low

Color

Hue, crayon, pigment, maroon

0.472

High

Color

Favorite, bright, pink, yellow

0.063

Low

Ear

Lobe, q-tips, earring, hearing

0.470

High

Ear

Listen, eye, noise, wax

0.060

Low

Hot

Spicy, humid, chili, fever

0.435

High

Hot

Iron, sexy, flame, burn

0.078

Low

Hungry

Starving, famished, starve, thirsty

0.492

High

Hungry

Eating, stomach, sandwich, food

0.050

Low

Lie

Fib, perjury, untruthful, deception

0.481

High

Lie

Betray, honest, myth, false

0.079

Low

Number

Digit, serial, count, seven

0.475

High

Number

Name, hundred, two, one

0.074

Low

Party

Celebration, celebrate, festival, slumber

0.454

High

Party

Fun, banquet, dance, beer

0.073

Low

Pig

Hog, pork, sow, ham

0.456

High

Pig

Squeal, cop, policeman, mud

0.065

Low

Ring

Diamond, doorbell, bell, engagement

0.466

High

Ring

Phone, ruby, finger, marriage

0.067

Low

Same

Differ, identical, alike, similar

0.436

High

Same

Usual, twin, constant, exact

0.064

Low

Shoe

Sneaker, sock, shoelace, heel

0.483

High

Shoe

Galoshes, tie, salesman, fit

0.059

Low

Story

Tale, fairytale, fable, plot

0.466

High

Story

Fiction, tell, paragraph, novel

0.065

Low

Street

Avenue, boulevard, main, sidewalk

0.467

High

Street

Parkway, cross, highway, block

0.056

Low

Wood

Lumber, splinter, timber, carpenter

0.461

High

Wood

Cabinet, ax, chop, paper

0.067

Low

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Beato, M.S., Arndt, J. The effect of language proficiency and associative strength on false memory. Psychological Research 85, 3134–3151 (2021). https://doi.org/10.1007/s00426-020-01449-3

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