The study used a randomized controlled trial to test the efficacy of two interventions (dance and musical training) for typically developing children. Interventions were run for three weeks in local community locations. Participants were tested before and after the intervention on a battery of cognitive and behavioural measures. They were compared across groups, and to a control group who do not receive the intervention. The purpose of the current study was to assess the influence of dance and musical training on cognitive development. Research has indicated that musical training is associated with improve cognitive functioning, although the direction of such an association is unclear. Further, it is uncertain whether any benefits are specific to musical training or can also be demonstrated with other training activities. The current study used a randomized controlled trial to assess the causal effects of dance and musical training.
Participants Monolingual children aged between six and nine years old were recruited from two local communities in Ontario, Canada. Children with developmental delays, learning disabilities, or previous arts training were excluded from the study. Participants were randomly allocated to one of two groups 1. Dance intervention group 2. Music intervention group To establish baseline performance levels and have a comparison, a passive control group was collected from the same towns using the same exclusion criteria. Data analysis Difference scores were calculated for each measure by subtracting each participant's second testing session data from the first. When appropriate, iterative trimming with a 3 SD cutoff was used, by subject and by condition, to remove outliers. Results for each measure were analyzed using one-way ANOVAs (analysis of variance) for the between-subjects factor of training group (music, dance, or control).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
TRIPLE
Enrollment
75
Training curriculums were developed using guidelines set by the Ontario Ministry of Education (The Ontario Curriculum, 2009) for teaching music to grades 1 to 3. Music was delineated into duration, pitch, dynamics and other expressive controls, timbre, texture/harmony, and form. training included direct instruction and group activities. All training programs had the same structure: a warm-up period, following by instruction from a teacher, and then group activities to practically demonstrate the concepts learned. Both programs involved working towards a variety of ensembles.
As with music training, dance was operationally defined by fundamental concepts for the art form, namely elements for body, space, time, energy, and relationship. The intervention involved both individual and group activities, with a combination of instruction and practical activities, and preparation for a final performance.
Change in visuospatial working memory
Self-ordered pointing task (Cragg \& Nation, 2007)
Time frame: Before and after intervention (3 weeks gap)
Change in interference control on flanker
Flanker task (Bunge, Dudukovic, Thomason, Vaidya, \& Gabriela, 2002)
Time frame: Before and after intervention (3 weeks gap)
Change in color-shape task switching
color-shape task (Wiseheart, Viswanathan, \& Bialystok, 2015)
Time frame: Before and after intervention (3 weeks gap)
Change in verbal working memory
Digit span (Weschler, 2008)
Time frame: Before and after intervention (3 weeks gap)
Change in interference control on Stroop
Stroop task (Cepeda, Blackwell, \& Munakata, 2013)
Time frame: Before and after intervention (3 weeks gap)
Change in quantity-identity task switching
quantity-identity task (Cepeda, Cepeda, \& Kramer, 2000)
Time frame: Before and after intervention (3 weeks gap)
Change in processing speed using box completion
Box completion (Salthouse, 1993)
Time frame: Before and after intervention (3 weeks gap)
Change in Non-verbal intelligence
Kaufman Brief Intelligence Test (K-BIT-2; Kaufman \& Kaufman, 2004)
Time frame: Before and after intervention (3 weeks gap)
Change in Receptive vocabulary
Peabody Picture Vocabulary Test (PPVT-IV; Dunn, Dunn, \& Lenhard, 2015)
Time frame: Before and after intervention (3 weeks gap)
Change in processing speed using digit symbol
Digit symbol (Weschler, 1991)
Time frame: Before and after intervention (3 weeks gap)
Change in processing speed using symbol copy
Symbol copy (Weschler, 1991)
Time frame: Before and after intervention (3 weeks gap)
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