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Evaluation of the Psychometric Properties of the Test of Gross Motor Development—Third Edition

E. Kipling Webster and Dale A. Ulrich

With recent revisions, the evaluation of the reliability and validity of the Test of Gross Motor Development—3rd edition (TGMD-3) is necessary. The TGMD-3 was administered to 807 children (M age = 6.33 ± 2.09 years; 52.5% male). Reliability assessments found that correlations with age were moderate to large; ball skills had a higher correlation (r = .47) compared with locomotor skills (r = .39). Internal consistency was very high in each age group and remained excellent for all racial/ethnic groups and both sexes. Test-retest reliability had high ICC agreements for the locomotor (ICC = 0.97), ball skills (ICC = 0.95), and total TGMD-3 (ICC = 0.97). For validity measures, the TGMD-3 had above acceptable item difficulty (range = 0.43–0.91) and item discrimination values (range = 0.34–0.67). EFA supported a one-factor structure of gross motor skill competence for the TGMD-3 with 73.82% variance explained. CFA supported the one-factor model (χ2(65) = 327.61, p < .001, CFI = .95, TLI = .94, RMSEA = .10), showing acceptable construct validity for the TGMD-3. Preliminary results show the TGMD-3 exhibits high levels of validity and reliability, providing confidence for the usage and collection of new norms.

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Factors That Influence Participation in Classroom-Based Physical Activity Breaks in Head Start Preschoolers

E. Kipling Webster, Leah E. Robinson, and Danielle D. Wadsworth

Background: Activity breaks are an established way physical activity may be incorporated into the preschool day. The purpose of this study was to examine what factors influenced moderate to vigorous physical activity (MVPA) during a teacher-implemented classroom-based activity break (CBAB) in a Head Start population. Methods: Ten-minute CBAB was conducted over 2 days in a quasi-experimental design; 99 preschoolers (mean age 3.80 [0.65] y; 49.5% male) from a convenience sample participated. Accelerometers measured MVPA, fundamental motor skill competency was assessed using the Test of Gross Motor Development—second edition, and weight classification status used body mass index percentiles. Results: A significant, moderate regression was found (r = .328, P = .001) between fundamental motor skill and MVPA. There was no significant correlation between body mass index percentile and MVPA during the CBAB. In addition, the locomotor subscale was the best predictor for MVPA for children during the CBAB (r = .32, β = 0.82, P < .001). Conclusions: CBAB equally elicited MVPA for normal and overweight preschoolers. Fundamental motor skill competency was associated with MVPA during the CBAB; in particular, locomotor skills were the best predictor for physical activity. Structured activity opportunities that focus on locomotor skills may be a useful integration to prompt more MVPA in a preschool-age population.

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Test of Gross Motor Development—Third Edition: Establishing Content and Construct Validity for Brazilian Children

Nadia C. Valentini, Larissa W. Zanella, and E. Kipling Webster

The Test of Gross Motor Development is used to identify children’s level of motor proficiency, specifically to detect motor delays. This study aimed to translate the TGMD-3 items and assess reliability and content and construct validity for the TGMD-3 in Brazil. A cross-cultural translation was used to generate a Brazilian Portuguese version of the TGMD-3. The validation process involved 33 professionals and 597 Brazilian children (ages 3–10) from the five main geographic regions of Brazil. The results confirmed language clarity and pertinence, as well as face validity of the TGMD-3. High intrarater (.60 to .90) and interrater (.85 to .99) reliability was evident, and test-retest temporal stability was confirmed (locomotor .93; ball skills .81). Adequate internal consistency was present for the skills-to-test and subtests correlations (TGMD-3-BR: α .74; locomotor skills: α .63; ball skills: α .76) and performance-criteria-to-test and -subtest correlations (TGMD-3: α .93; locomotor skills: .90; ball skills: .88). Confirmatory factor analysis supported the construct validity of a two-factor model (RMSEA = .04, 90% confidence interval: .03 to .05; CFI = .94; NFI = .91; TLI = .92; GFI = .94; AGFI = .92). The TGMD-3 is a valid and reliable instrument for Brazilian children.

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Psychometric Properties of the Test of Gross Motor Development, Third Edition (German Translation): Results of a Pilot Study

Matthias O. Wagner, E. Kipling Webster, and Dale A. Ulrich

The Test of Gross Motor Development, 3rd Edition (TGMD-3) is a process-oriented fundamental movement skill assessment to examine the movement patterns displayed by children between the ages of 3 and 10 years. Within this paper, results of a pilot study on the reliability, validity, and measurement invariance across gender of the TGMD-3 (German translation) are presented. In total, performances of 189 typically developing children (99 boys, 90 girls, 56 kindergarten children, 133 elementary school children, M age = 7.15 ± 2.02 years) are analyzed. Results provide preliminary evidence for test-retest, interrater and intrarater reliability, internal consistency, age- and gender- specific performance trends, factorial validity, measurement invariance across gender, divergent validity, and ball skill–related concurrent and predictive validity of the TGMD-3 (German translation). Subsequent research should be focused on a verification of the present findings on a representative database to foster the application of the TGMD-3 (German translation) in different settings.

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Assessment of Motor Development in Childhood: Contemporary Issues, Considerations, and Future Directions

Priscila Tamplain, E. Kipling Webster, Ali Brian, and Nadia C. Valentini

Assessment of the motor domain is a critical aspect of understanding motor development. Measurement of motor development is the baseline to understand potential delays and to promote the tools for change and improvement of this domain. This paper aims to reflect on the construct of motor development and the process of assessing motor performance. We review the use of assessments in motor development research and discuss issues of validity, reliability, sensitivity, and specificity. We appraise selected assessments, describe how the use of assessments changed over the periods of study in motor development, and examine the contemporary status of assessments and its applications. Finally, and most importantly, we provide suggestions and recommendations for future directions in the field, as well as pose important questions for researchers and practitioners to consider when selecting, using, and interpreting assessment results. In light of the contemporary view of motor development and the increasing focus on health applications, we recommend the use of screening tools, short forms, and technology, as well as encouraging the use of and more research on motor development assessments in childhood.

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Reliability of the Pictorial Scale of Perceived Movement Skill Competence in 2 Diverse Samples of Young Children

Lisa M. Barnett, Leah E. Robinson, E. Kipling Webster, and Nicola D. Ridgers


The purpose was to determine the reliability of an instrument designed to assess young children’s perceived movement skill competence in 2 diverse samples.


A pictorial instrument assessed 12 perceived Fundamental Movement Skills (FMS) based on the Test of Gross Motor Development 2nd edition. Intra-Class Correlations (ICC) and internal consistency analyses were conducted. Paired sample t tests assessed change in mean perceived skill scores. Bivariate correlations between the intertrial difference and the mean of the trials explored proportional bias.


Sample 1 (S1) were culturally diverse Australian children (n = 111; 52% boys) aged 5 to 8 years (mean = 6.4, SD = 1.0) with educated parents. Sample 2 (S2) were racially diverse and socioeconomically disadvantaged American children (n = 110; 57% boys) aged 5 to 10 years (mean = 6.8, SD = 1.1). For all children, the internal consistency for 12 FMS was acceptable (S1 = 0.72, 0.75, S2 = 0.66, 0.67). ICCs were higher in S1 (0.73) than S2 (0.50). Mean changes between trials were small. There was little evidence of proportional bias.


Lower values in S2 may be due to differences in study demographic and execution. While the instrument demonstrated reliability/internal consistency, further work is recommended in diverse samples.

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Identifying Fundamental Motor Skills Building Blocks in Preschool Children From Brazil and the United States: A Network Analysis

Clarice Martins, E. Kipling Webster, Paulo Felipe Ribeiro Bandeira, and Amanda E. Staiano

Fundamental motor skills (FMSs) are building blocks for future movements and may vary according to cultural context. Moreover, network analysis can identify which skills contribute most to an overall set of skills. This study identified the most influential FMS in samples of U.S. and Brazil preschoolers that may contribute to a pattern of adequate motor skills. Participants were 101 Brazilian (55 boys; 47.52 ± 5.57 months of age) and 236 U.S. preschoolers (108 boys; 49.56 ± 8.27 months of age), who provided completed FMS assessments (Test of Gross Motor Development—third edition). Confirmatory factorial analysis was used to test alternative models. To quantify the importance of each variable in the network, the expected influence was calculated, using the network analysis Mplus, Rstudio, and JASP (version 0.14.1). Reduced models with nine and 11 FMS for Brazilian and U.S. preschoolers, respectively, showed adequate adjustment indexes. Jump (1.412) and one-hand strike (0.982) in the Brazilian sample, and hop (1.927) and dribble (0.858) in the U.S. sample, showed the highest expected influence values. This study presents a new perspective to report which are the most important FMS in preschoolers of different sociocultural contexts, which act as building blocks for the acquisition of more complex motor skills.

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Relationship Between Fundamental Motor Skill Competence and Physical Activity During Childhood and Adolescence: A Systematic Review

Samuel W. Logan, E. Kipling Webster, Nancy Getchell, Karin A. Pfeiffer, and Leah E. Robinson

The purpose of this review is to synthesize the evidence of the relationship between fundamental motor skills (FMS) competence and physical activity by qualitatively describing results from 13 studies that met rigorous inclusion criteria. Inclusion criteria: (a) published in a peer-review journal, (b) participants were between the ages of 3–18, (c) participants were typically developing, (d) FMS was measured by a process-oriented assessment, (e) assessed physical activity, (f) related FMS and physical activity through statistical procedures, and (g) printed in English. Databases were searched for relevant articles using key terms related to FMS and physical activity. Evidence suggested low to moderate relationships between FMS competence and physical activity in early childhood (r = .16 to .48; R 2 = 3–23%, 4 studies), low to high relationships in middle to late childhood (r = .24 to .55; R 2 = 6–30%, 7 studies), and low to moderate relationships in adolescence (r = .14 to .35; R 2 = 2–12.3%, 2 studies). Across ages, object control skills and locomotor skills were more strongly related to physical activity for boys and girls, respectively. Future research should emphasize experimental and longitudinal research designs to provide further understanding of the relationship between FMS competence and physical activity.

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The Use of Multimedia Demonstration on the Test of Gross Motor Development–Second Edition: Performance and Participant Preference

Leah E. Robinson, Kara K. Palmer, Jacqueline M. Irwin, Elizabeth Kipling Webster, Abigail L. Dennis, Sheri J. Brock, and Mary E. Rudisill

This study examined the effect of demonstration conditions (multimedia and live) in school-age children on performance of the Test of Gross Motor Development—Second Edition (TGMD-2) locomotor and object control subscale raw scores, and participants’ enjoyment in the preoperational and operational stages of cognitive development. Forty-five children ages 5–10 years were divided into two age groups: younger (n = 21, M age = 5.95 years, SD = .80) and older (n = 24, M age = 8.96 years, SD = .86). Children completed the TGMD-2 under two counterbalanced conditions: live and multimedia demonstration. Immediately following each testing condition, children ranked their enjoyment and completed a semistructured interview. Paired sample t tests examined motor skill and enjoyment differences in each age group. For both groups, no statistically significant differences were present for motor skill performance or participants’ enjoyment between the two demonstration conditions (p ≥ .05). Overall, 44.5% of participants preferred the multimedia demonstration, while 32.5% preferred the live demonstration. Mixed responses were reported by 22.5% of participants. Within age groups, younger participants preferred the multimedia demonstration more than older participants (multimedia = 50%, 41%; live = 23%, 41%, respectively). This study provides evidence that multimedia demonstration may be suitable for administration of the TGMD-2.

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Perceived Motor Competence in Childhood: Comparative Study Among Countries

Anderson Henry Pereira Feitoza, Rafael dos Santos Henrique, Lisa M. Barnett, Alessandro Hervaldo Nicolai Ré, Vítor Pires Lopes, E. Kipling Webster, Leah E. Robinson, Wivianne A. Cavalcante, and Maria Teresa Cattuzzo

Perceived motor competence (PMC) is a psychological construct that may be influenced by various environmental factors. This study aimed to analyze differences in PMC of children from four diverse countries. The sample was comprised of 231 Brazilian, 129 Australian, 140 Portuguese, and 114 American children, aged 5–8 years. The PMC was assessed using the Pictorial Scale of Perceived Movement Skill Competence for Young Children. Differences in PMC among countries were verified using Kruskal-Wallis tests, separately by age and gender. For girls (from the age of six), differences were found in the leap, slide, hit, and catch, as well as the sum of object control skills and total score. For boys, differences were found among countries in the gallop, jump, slide, hit, catch, and roll, as well as the sum of locomotor and object control skills, and the total skill score. Overall, American children seem to perceive themselves more competent compared to children from other countries. Leisure and sport activities in each country may influence the construction of PMC.