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Behavior Research Methods

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https://www.readbyqxmd.com/read/28289888/value-based-decision-making-battery-a-bayesian-adaptive-approach-to-assess-impulsive-and-risky-behavior
#1
Shakoor Pooseh, Nadine Bernhardt, Alvaro Guevara, Quentin J M Huys, Michael N Smolka
Using simple mathematical models of choice behavior, we present a Bayesian adaptive algorithm to assess measures of impulsive and risky decision making. Practically, these measures are characterized by discounting rates and are used to classify individuals or population groups, to distinguish unhealthy behavior, and to predict developmental courses. However, a constant demand for improved tools to assess these constructs remains unanswered. The algorithm is based on trial-by-trial observations. At each step, a choice is made between immediate (certain) and delayed (risky) options...
March 13, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28289887/bilingual-comparison-of-mandarin-and-english-cognitive-bias-tasks
#2
Louise Smith, Wing Gi Leung, Bryony Crane, Brian Parkinson, Timothea Toulopoulou, Jenny Yiend
Most research into cognitive biases has used Western samples, despite potential East-West socio-cultural differences. One reason is the lack of appropriate measures for non-Westerners. This study is about cross-linguistic equivalence which needs to be established before assessing cross-cultural differences in future research. We developed parallel Mandarin and English measures of interpretation bias and attention bias using back-translation and decentering procedures. We assessed task equivalence by administering both sets of measures to 47 bilingual Mandarin-English speakers...
March 13, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28281208/the-language-and-social-background-questionnaire-assessing-degree-of-bilingualism-in-a-diverse-population
#3
John A E Anderson, Lorinda Mak, Aram Keyvani Chahi, Ellen Bialystok
Research examining the cognitive consequences of bilingualism has expanded rapidly in recent years and has revealed effects on aspects of cognition across the lifespan. However, these effects are difficult to find in studies investigating young adults. One problem is that there is no standard definition of bilingualism or means of evaluating degree of bilingualism in individual participants, making it difficult to directly compare the results of different studies. Here, we describe an instrument developed to assess degree of bilingualism for young adults who live in diverse communities in which English is the official language...
March 9, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28275951/an-evaluation-of-the-use-of-covariates-to-assist-in-class-enumeration-in-linear-growth-mixture-modeling
#4
Jinxiang Hu, Walter L Leite, Miao Gao
This study examined whether the inclusion of covariates that predict class membership improves class identification in a growth mixture modeling (GMM). We manipulated the degree of class separation, sample size, the magnitude of covariate effect on class membership, the covariance between the intercept and the slope, and fit two models with covariates and an unconditional model. We concluded that correct class identification in GMM requires large sample sizes and class separation, and that unconditional GMM performs better than GMM with covariates if the sample size and class separation are sufficiently large...
March 8, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28275950/regularization-and-a-general-linear-model-for-event-related-potential-estimation
#5
Emmanuelle Kristensen, Anne Guerin-Dugué, Bertrand Rivet
The usual event-related potential (ERP) estimation is the average across epochs time-locked on stimuli of interest. These stimuli are repeated several times to improve the signal-to-noise ratio (SNR) and only one evoked potential is estimated inside the temporal window of interest. Consequently, the average estimation does not take into account other neural responses within the same epoch that are due to short inter stimuli intervals. These adjacent neural responses may overlap and distort the evoked potential of interest...
March 8, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28271347/erratum-to-investigating-measurement-equivalence-of-visual-analogue-scales-and-likert-type-scales-in-internet-based-personality-questionnaires
#6
Tim Kuhlmann, Michael Dantlgraber, Ulf-Dietrich Reips
No abstract text is available yet for this article.
March 7, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28236217/a-flexible-and-accurate-method-to-estimate-the-mode-and-stability-of-spontaneous-coordinated-behaviors-the-index-of-stability-is-analysis
#7
Gregory Zelic, Deborah Varoqui, Jeesun Kim, Chris Davis
Patterns of coordination result from the interaction between (at least) two oscillatory components. This interaction is typically understood by means of two variables: the mode that expresses the shape of the interaction, and the stability that is the robustness of the interaction in this mode. A potent method of investigating coordinated behaviors is to examine the extent to which patterns of coordination arise spontaneously. However, a prominent issue faced by researchers is that, to date, no standard methods exist to fairly assess the stability of spontaneous coordination...
February 24, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28233251/automated-vision-occlusion-timing-instrument-for-perception-action-research
#8
John Brenton, Sean Müller, Robbie Rhodes, Brad Finch
Vision occlusion spectacles are a highly valuable instrument for visual-perception-action research in a variety of disciplines. In sports, occlusion spectacles have enabled invaluable knowledge to be obtained about the superior capability of experts to use visual information to guide actions within in-situ settings. Triggering the spectacles to occlude a performer's vision at a precise time in an opponent's action or object flight has been problematic, due to experimenter error in using a manual buttonpress approach...
February 23, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28233250/using-machine-learning-to-detect-events-in-eye-tracking-data
#9
Raimondas Zemblys, Diederick C Niehorster, Oleg Komogortsev, Kenneth Holmqvist
Event detection is a challenging stage in eye movement data analysis. A major drawback of current event detection methods is that parameters have to be adjusted based on eye movement data quality. Here we show that a fully automated classification of raw gaze samples as belonging to fixations, saccades, or other oculomotor events can be achieved using a machine-learning approach. Any already manually or algorithmically detected events can be used to train a classifier to produce similar classification of other data without the need for a user to set parameters...
February 23, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28205132/the-city-infant-faces-database-a-validated-set-of-infant-facial-expressions
#10
Rebecca Webb, Susan Ayers, Ansgar Endress
Adults need to be able to process infants' emotional expressions accurately to respond appropriately and care for infants. However, research on processing of the emotional expressions of infant faces is hampered by the lack of validated stimuli. Although many sets of photographs of adult faces are available to researchers, there are no corresponding sets of photographs of infant faces. We therefore developed and validated a database of infant faces, which is available via e-mail request. Parents were recruited via social media and asked to send photographs of their infant (0-12 months of age) showing positive, negative, and neutral facial expressions...
February 15, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28205131/what-to-expect-from-your-remote-eye-tracker-when-participants-are-unrestrained
#11
Diederick C Niehorster, Tim H W Cornelissen, Kenneth Holmqvist, Ignace T C Hooge, Roy S Hessels
The marketing materials of remote eye-trackers suggest that data quality is invariant to the position and orientation of the participant as long as the eyes of the participant are within the eye-tracker's headbox, the area where tracking is possible. As such, remote eye-trackers are marketed as allowing the reliable recording of gaze from participant groups that cannot be restrained, such as infants, schoolchildren and patients with muscular or brain disorders. Practical experience and previous research, however, tells us that eye-tracking data quality, e...
February 15, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28181186/an-automated-behavioral-measure-of-mind-wandering-during-computerized-reading
#12
Myrthe Faber, Robert Bixler, Sidney K D'Mello
Mind wandering is a ubiquitous phenomenon in which attention shifts from task-related to task-unrelated thoughts. The last decade has witnessed an explosion of interest in mind wandering, but research has been stymied by a lack of objective measures, leading to a near-exclusive reliance on self-reports. We addressed this issue by developing an eye-gaze-based, machine-learned model of mind wandering during computerized reading. Data were collected in a study in which 132 participants reported self-caught mind wandering while reading excerpts from a book on a computer screen...
February 8, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28176258/twenty-years-of-internet-based-research-at-scip-a-discussion-of-surviving-concepts-and-new-methodologies
#13
Christopher R Wolfe
This discussion of the symposium 20 Years of Internet-Based Research at SCiP: Surviving Concepts, New Methodologies compares the issues faced by the pioneering Internet-based psychology researchers who presented at the first symposia on the topic, at the 1996 annual meeting of the Society for Computers in Psychology, to the issues facing researchers today. New methodologies unavailable in the early days of Web-based psychological research are discussed, with an emphasis on mobile computing with smartphones that is capitalizing on capabilities such as touch screens and gyro sensors...
February 7, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28155186/k-span-a-lexical-database-of-korean-surface-phonetic-forms-and-phonological-neighborhood-density-statistics
#14
Jeffrey J Holliday, Rory Turnbull, Julien Eychenne
This article presents K-SPAN (Korean Surface Phonetics and Neighborhoods), a database of surface phonetic forms and several measures of phonological neighborhood density for 63,836 Korean words. Currently publicly available Korean corpora are limited by the fact that they only provide orthographic representations in Hangeul, which is problematic since phonetic forms in Korean cannot be reliably predicted from orthographic forms. We describe the method used to derive the surface phonetic forms from a publicly available orthographic corpus of Korean, and report on several statistics calculated using this database; namely, segment unigram frequencies, which are compared to previously reported results, along with segment-based and syllable-based neighborhood density statistics for three types of representation: an "orthographic" form, which is a quasi-phonological representation, a "conservative" form, which maintains all known contrasts, and a "modern" form, which represents the pronunciation of contemporary Seoul Korean...
February 2, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28155185/dutch-modality-exclusivity-norms-simulating-perceptual-modality-in-space
#15
Laura J Speed, Asifa Majid
Perceptual information is important for the meaning of nouns. We present modality exclusivity norms for 485 Dutch nouns rated on visual, auditory, haptic, gustatory, and olfactory associations. We found these nouns are highly multimodal. They were rated most dominant in vision, and least in olfaction. A factor analysis identified two main dimensions: one loaded strongly on olfaction and gustation (reflecting joint involvement in flavor), and a second loaded strongly on vision and touch (reflecting joint involvement in manipulable objects)...
February 2, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28130730/bacs-the-brussels-artificial-character-sets-for-studies-in-cognitive-psychology-and-neuroscience
#16
Camille Vidal, Alain Content, Fabienne Chetail
Written symbols such as letters have been used extensively in cognitive psychology, whether to understand their contributions to written word recognition or to examine the processes involved in other mental functions. Sometimes, however, researchers want to manipulate letters while removing their associated characteristics. A powerful solution to do so is to use new characters, devised to be highly similar to letters, but without the associated sound or name. Given the growing use of artificial characters in experimental paradigms, the aim of the present study was to make available the Brussels Artificial Character Sets (BACS): two full, strictly controlled, and portable sets of artificial characters for a broad range of experimental situations...
January 27, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28130729/the-developmental-lexicon-project-a-behavioral-database-to-investigate-visual-word-recognition-across-the-lifespan
#17
Pauline Schröter, Sascha Schroeder
With the Developmental Lexicon Project (DeveL), we present a large-scale study that was conducted to collect data on visual word recognition in German across the lifespan. A total of 800 children from Grades 1 to 6, as well as two groups of younger and older adults, participated in the study and completed a lexical decision and a naming task. We provide a database for 1,152 German words, comprising behavioral data from seven different stages of reading development, along with sublexical and lexical characteristics for all stimuli...
January 27, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28130728/investigating-measurement-equivalence-of-visual-analogue-scales-and-likert-type-scales-in-internet-based-personality-questionnaires
#18
Tim Kuhlmann, Michael Dantlgraber, Ulf-Dietrich Reips
Visual analogue scales (VASs) have shown superior measurement qualities in comparison to traditional Likert-type response scales in previous studies. The present study expands the comparison of response scales to properties of Internet-based personality scales in a within-subjects design. A sample of 879 participants filled out an online questionnaire measuring Conscientiousness, Excitement Seeking, and Narcissism. The questionnaire contained all instruments in both answer scale versions in a counterbalanced design...
January 27, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28130727/the-effect-of-sampling-rate-and-lowpass-filters-on-saccades-a-modeling-approach
#19
David J Mack, Sandro Belfanti, Urs Schwarz
The study of eye movements has become popular in many fields of science. However, using the preprocessed output of an eye tracker without scrutiny can lead to low-quality or even erroneous data. For example, the sampling rate of the eye tracker influences saccadic peak velocity, while inadequate filters fail to suppress noise or introduce artifacts. Despite previously published guiding values, most filter choices still seem motivated by a trial-and-error approach, and a thorough analysis of filter effects is missing...
January 27, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28127683/development-and-psychometric-validation-of-a-child-racial-attitudes-index-rai
#20
Khaya D Clark, Paul Yovanoff, Charlotte Ursula Tate
The Racial Attitudes Index (RAI) measures a child's racial attitudes. Designed for children aged 5-9 years, the RAI is delivered over the Internet using Audio Computer Assisted Self-Interviewing (ACASI). Unlike traditional binary forced-choice instruments, the RAI uses an expanded response format permitting a more nuanced understanding of patterns of children's racial attitudes. In addition to establishing psychometric evidence of the RAI technical adequacy, hypotheses about RAI item response patterns were tested...
January 26, 2017: Behavior Research Methods
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