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| Name | Class |
|---|---|
| Burdur Mehmet Akif Ersoy University | OTHER |
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This study aims to investigate the effects of a 12-week pickleball training program on cognitive and motor outcomes in adolescents with mild intellectual disability. Pickleball is a low-impact racket sport that combines elements of tennis, badminton, and table tennis, and is considered suitable for promoting both physical and cognitive engagement.
A total of 32 students aged 14-18 years with mild intellectual disability, enrolled in a special education vocational school, will participate in the study. Participants will be assigned to either an intervention group (n = 16) or a control group (n = 16). The intervention group will receive structured pickleball training three times per week for 12 weeks, while the control group will continue their regular educational activities without additional intervention.
Cognitive outcomes will be assessed using standardized computerized tests, including sustained attention (Mackworth Clock Test), visual-spatial memory (Corsi Block Test), selective attention and reaction (Change Detection Test), and working memory (Digit Span Test). Motor outcomes will be evaluated using grip strength, balance assessments, and the Bruininks-Oseretsky Test of Motor Proficiency (BOT-2).
Assessments will be conducted at four time points: baseline (pre-test), mid-intervention (6th or 7th week), post-intervention (week 12), and follow-up (4-6 weeks after completion). The primary aim is to determine whether structured pickleball training improves cognitive performance and motor skills in adolescents with mild intellectual disability.
Findings from this study are expected to contribute to evidence-based physical activity interventions for individuals with intellectual disabilities and to expand the literature on the role of racket sports in cognitive and motor development.
This study will be conducted using a quasi-experimental pre-test-post-test control group design to examine the effects of a 12-week pickleball training program on physical and cognitive outcomes in individuals with mild intellectual disability. Participants will be recruited from a special education vocational school and will be aged between 14 and 18 years.
Participants will be assigned to either an experimental group or a control group. The experimental group will participate in a structured pickleball training program for 12 weeks, delivered three times per week. Each session will include two on-court practice sessions and one skill-based training session focusing on fundamental movement and sport-specific skills. Each training session will consist of a 5-minute warm-up, a 40-minute main activity phase, and a 5-minute cool-down period. The control group will continue their regular school-based physical education and daily academic routines without additional intervention.
Outcome assessments will be conducted at four time points: baseline (pre-test), mid-intervention (week 6-7), post-intervention (week 12), and follow-up (4-6 weeks after completion of the intervention). All assessments will be administered by the same research team using standardized protocols to ensure consistency.
Cognitive functions will be evaluated using computer-based tests from the Psychology Experiment Building Language (PEBL) battery. Sustained attention will be assessed using the Mackworth Clock Test, visuospatial working memory using the Corsi Block Test, selective attention and change detection ability using the Change Detection Test, and processing speed and short-term memory using the Digit Span Test.
Motor performance will be assessed using the Bruininks-Oseretsky Test of Motor Proficiency, Second Edition (BOT-2) short form. This standardized assessment evaluates fine motor precision, bilateral coordination, balance, agility, and strength-related motor skills.
In addition, handgrip strength will be measured using a handheld dynamometer, and lower extremity muscular endurance will be assessed using the 30-second sit-to-stand test. Balance performance will also be evaluated through the BOT-2 balance subtests.
All intervention sessions will be adapted to the functional abilities of participants to ensure safety and accessibility. Activities will be delivered by a qualified instructor supported by an assistant instructor, with individualized guidance provided as needed.
Data will be analyzed using appropriate statistical methods based on distribution assumptions. A mixed-design repeated measures ANOVA will be used to examine group-by-time interactions. The level of significance will be set at p < .05.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Pickleball Training Intervention Group | Experimental | Participants assigned to this arm will participate in a 12-week structured pickleball training program. The intervention will be delivered three times per week under the supervision of a certified physical education specialist and an assistant instructor. Each session will last approximately 45 minutes and will include a standardized structure consisting of a 5-minute warm-up, 40 minutes of pickleball-specific training activities, and a 5-minute cool-down period. The training content will include fundamental and advanced pickleball skills such as serving, forehand and backhand strokes, volley, dink, lob, smash, drop shot, and basic game strategies. Sessions will be conducted either in the school gymnasium or outdoor court depending on environmental conditions. The intervention aims to improve motor proficiency, balance, strength, and cognitive performance in adolescents with mild intellectual disability. |
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| Standard Special Education Curriculum | Active Comparator | Participants assigned to this arm will continue their regular special education curriculum without participation in any structured physical activity or pickleball-based training program during the study period. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pickleball Training Intervention Group | Behavioral | A structured 12-week pickleball training intervention will be implemented for adolescents with mild intellectual disability. The program will be delivered three times per week under the supervision of a qualified physical education specialist and an assistant instructor. Each session will last approximately 45 minutes and will follow a standardized structure consisting of a 5-minute warm-up, 40 minutes of skill-based pickleball training, and a 5-minute cool-down period. The training content will include progressive instruction and practice of fundamental and advanced pickleball skills, including serving, forehand and backhand strokes, volley, dink, lob, smash, drop shot, and basic tactical gameplay. Sessions will be conducted in either an indoor gymnasium or outdoor court depending on weather conditions. The intervention is designed to improve motor proficiency, balance, muscular strength, and cognitive performance in participants with mild intellectual disability. |
| Measure | Description | Time Frame |
|---|---|---|
| Sustained Attention | Sustained attention will be assessed using the Mackworth Clock Test. Higher scores indicate better sustained attention performance. | Baseline (Week 0, pre-intervention), Mid-intervention (Week 6-7), Post-intervention (Week 12), Follow-up (4-6 weeks after intervention completion) |
| Visuospatial Working Memory | Visuospatial working memory will be assessed using the Block Test. Higher scores indicate better visuospatial working memory performance. | Baseline (Week 0, pre-intervention), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Selective Attention | Selective attention will be assessed using the Change Detection Test. Higher scores indicate better selective attention performance. | Baseline (Week 0, pre-intervention), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Working Memory | Working memory will be assessed using the Digit Span Test. Higher scores indicate better working memory performance. | Baseline (Week 0, pre-intervention), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Motor Proficiency | Motor proficiency will be assessed using the BOT-2 Short Form. Higher scores indicate better motor proficiency. | Baseline (Week 0), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Balance |
| Measure | Description | Time Frame |
|---|---|---|
| Height | Height will be measured in centimeters to assess anthropometric characteristics. | Baseline (Week 0), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Body Weight |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Elif Top, Prof.Dr. | Burdur Mehmet Akif Ersoy University, Faculty of Sport Sciences | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Şehit Hakan Aktürk Special Education Vocational School | Burdur | Burdur | 15200 | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| Background | Bohannon, R. W. (2019). Hand-grip dynamometry predicts future outcomes in aging adults. Journal of Physical Therapy Science, 31(1), 21-26. https://doi.org/10.1589/jpts.31.21 Boucsein, W. (2012). Electrodermal activity (2nd ed.). Springer. Bruininks RH and Bruininks BD (2005) Bruininks-Oseretsky Test of Motor Proficiency, Second Edition. PsycTESTS Dataset. https://doi.org/10.1037/t14991-000. Casals, M., Jimenez, S., Caparros, T., Gallego, R, M. & Baiget, E. (2023). Scoping review and quality of studies on the epidemiology of pickleball injuries. Apunts Sports Medicine, 58. Casper, Jonathan & Bocarro, Jason & Drake, Nicholas. (2023). Physical Activity Associated with Older Adult Pickleball Participation: A Pilot Study. Recreational Sports Journal. 47. Chien, T. C., & Chen, C. C. (2025). Effects of Pickleball intervention on the self-esteem and symptoms of patients with schizophrenia. Sports, 13(1), 21. Chiles, L. (2025). Pickleball for all: Adaptive sports program to address developmental disabilities (pp. 2-14). Texas Woman's University. Fishman, M., & Hirsch, L. J. (2019). Electroencephalography (EEG) is the non invasive measurement of the brain's electric fields. Current Biology, 29(1), 444-450. |
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Individual participant data will not be shared due to ethical considerations and the sensitive nature of the study population, which includes individuals with mild intellectual disability. Data confidentiality and participant privacy will be strictly maintained in accordance with institutional and ethical guidelines. Additionally, data use is limited to the approved scope of the present study.
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This study will use a parallel assignment design with two independent groups: an experimental group receiving a 12-week structured pickleball training program and a control group continuing their regular school-based physical education curriculum. Participants will not cross over between groups during the study period. Outcome assessments will be conducted at four time points (baseline, mid-intervention, post-intervention, and follow-up) to evaluate both immediate and retained effects of the intervention. Group comparisons over time will be used to examine intervention effects on cognitive and motor outcomes.
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| Standard Special Education Curriculum | Other | Participants in the control group will continue their standard special education curriculum without participation in any structured physical activity or pickleball-based training throughout the study period. |
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Balance performance will be assessed using the balance subtests of the BOT-2. Higher scores indicate better balance performance.
| Baseline (Week 0), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Hand Grip Strength | Hand grip strength will be measured using a hand dynamometer. Higher scores indicate greater grip strength. | Baseline (Week 0), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Lower Limb Strength | Lower limb strength will be assessed using the 30-second sit-to-stand test. Higher repetition scores indicate greater lower limb strength. | Baseline (Week 0), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
Body weight will be measured in kilograms to assess anthropometric characteristics.
| Baseline (Week 0), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| Body Mass Index (BMI) | Body mass index (BMI) will be calculated using height and body weight measurements and reported in kg/m² to assess anthropometric characteristics. | Baseline (Week 0), Mid-intervention (Weeks 6-7), Post-intervention (Week 12), and Follow-up (4-6 weeks after intervention completion) |
| ID | Term |
|---|---|
| D008607 | Intellectual Disability |
| D008224 | Lymphoma, Follicular |
| ID | Term |
|---|---|
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |
| D008228 | Lymphoma, Non-Hodgkin |
| D008223 | Lymphoma |
| D009370 | Neoplasms by Histologic Type |
| D009369 | Neoplasms |
| D008232 | Lymphoproliferative Disorders |
| D008206 | Lymphatic Diseases |
| D006425 | Hemic and Lymphatic Diseases |
| D007160 | Immunoproliferative Disorders |
| D007154 | Immune System Diseases |
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