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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
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).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Music Training | Experimental | Music Training |
|
| Dance Training | Active Comparator | Dance Training |
|
| Passive control group | No Intervention | Passive control group |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Music Training | Behavioral | 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. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in visuospatial working memory | Self-ordered pointing task (Cragg & Nation, 2007) | Before and after intervention (3 weeks gap) |
| Change in interference control on flanker | Flanker task (Bunge, Dudukovic, Thomason, Vaidya, & Gabriela, 2002) | Before and after intervention (3 weeks gap) |
| Change in color-shape task switching | color-shape task (Wiseheart, Viswanathan, & Bialystok, 2015) | Before and after intervention (3 weeks gap) |
| Change in verbal working memory | Digit span (Weschler, 2008) | Before and after intervention (3 weeks gap) |
| Change in interference control on Stroop | Stroop task (Cepeda, Blackwell, & Munakata, 2013) | Before and after intervention (3 weeks gap) |
| Change in quantity-identity task switching | quantity-identity task (Cepeda, Cepeda, & Kramer, 2000) | Before and after intervention (3 weeks gap) |
| Measure | Description | Time Frame |
|---|---|---|
| Change in processing speed using box completion | Box completion (Salthouse, 1993) | Before and after intervention (3 weeks gap) |
| Change in Non-verbal intelligence | Kaufman Brief Intelligence Test (K-BIT-2; Kaufman & Kaufman, 2004) |
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Inclusion Criteria:
Exclusion Criteria:
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Although the type of intervention provided was explicit (dance or music), participants, intervention providers, and outcomes assessors were not aware of the study hypotheses or predicted effects for each intervention. Hence they did not know whether they were in a treatment or control group.
|
| Dance Training | Behavioral | 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. |
|
| Before and after intervention (3 weeks gap) |
| Change in Receptive vocabulary | Peabody Picture Vocabulary Test (PPVT-IV; Dunn, Dunn, & Lenhard, 2015) | Before and after intervention (3 weeks gap) |
| Change in processing speed using digit symbol | Digit symbol (Weschler, 1991) | Before and after intervention (3 weeks gap) |
| Change in processing speed using symbol copy | Symbol copy (Weschler, 1991) | Before and after intervention (3 weeks gap) |