scholarly journals Does Neonatal Imitation Exist? Insights From a Meta-Analysis of 336 Effect Sizes

2021 ◽  
pp. 174569162095983
Author(s):  
Jacqueline Davis ◽  
Jonathan Redshaw ◽  
Thomas Suddendorf ◽  
Mark Nielsen ◽  
Siobhan Kennedy-Costantini ◽  
...  
Keyword(s):  
Social Behavior ◽  
Positive Result ◽  
Human Development ◽  
Degrees Of Freedom ◽  
Meta Analysis ◽  
Effect Sizes ◽  
Significant Evidence ◽  
The Past ◽  
Substantial Heterogeneity

Neonatal imitation is a cornerstone in many theoretical accounts of human development and social behavior, yet its existence has been debated for the past 40 years. To examine possible explanations for the inconsistent findings in this body of research, we conducted a multilevel meta-analysis synthesizing 336 effect sizes from 33 independent samples of human newborns, reported in 26 articles. The meta-analysis found significant evidence for neonatal imitation ( d = 0.68, 95% CI = [0.39, 0.96], p < .001) but substantial heterogeneity between study estimates. This heterogeneity was not explained by any of 13 methodological moderators identified by previous reviews, but it was associated with researcher affiliation, test of moderators ( QM) (15) = 57.09, p < .001. There are at least two possible explanations for these results: (a) Neonatal imitation exists and its detection varies as a function of uncaptured methodological factors common to a limited set of studies, and (2) neonatal imitation does not exist and the overall positive result is an artifact of high researcher degrees of freedom.

Lag as moderator meta-analysis: A methodological approach for synthesizing longitudinal data

2018 ◽  
Vol 43 (1) ◽  
pp. 80-89 ◽  
Author(s):  
Noel A. Card
Keyword(s):  
Longitudinal Data ◽  
Human Development ◽  
Longitudinal Research ◽  
Meta Analysis ◽  
Methodological Approach ◽  
Mixed Effects ◽  
Effect Sizes ◽  
Time Lags ◽  
Research Findings ◽  
The Impact

Longitudinal data are common and essential to understanding human development. This paper introduces an approach to synthesizing longitudinal research findings called lag as moderator meta-analysis (LAMMA). This approach capitalizes on between-study variability in time lags studied in order to identify the impact of lag on estimates of stability and longitudinal prediction. The paper introduces linear, nonlinear, and mixed-effects approaches to LAMMA, and presents an illustrative example (with syntax and annotated output available as online Supplementary Materials). Several extensions of the basic LAMMA are considered, including artifact correction, multiple effect sizes from studies, and incorporating age as a predictor. It is hoped that LAMMA provides a framework for synthesizing longitudinal data to promote greater accumulation of knowledge in developmental science.

scholarly journals Effects of Psychological Interventions on the Prevention of Sports Injuries: A Meta-analysis

2020 ◽  
Vol 8 (8) ◽  
pp. 232596712092832
Author(s):  
Shanshan Li ◽  
Qianjin Wu ◽  
Zichao Chen
Keyword(s):  
Sports Injuries ◽  
Meta Analysis ◽  
Significant Risk ◽  
Effect Sizes ◽  
Psychological Interventions ◽  
Random Effects Model ◽  
Level Of Evidence ◽  
Randomized Controlled ◽  
Subgroup Analyses ◽  
Substantial Heterogeneity

Background: Studies have shown that preventive psychological interventions can reduce the occurrence of sports injuries. Purpose: To systematically evaluate the published literature on the effects of psychological interventions on rates of sports injuries and propose a set of psychological interventions to reduce such injuries. Study Design: Systematic review; Level of evidence, 1. Methods: A total of 11 randomized controlled trials and intervention control trials involving 1287 participants were included. A random-effects model was used to analyze the data. Pooled results were expressed as effect sizes and 95% CIs. Bias and heterogeneity among the studies were assessed, and sensitivity and subgroup analyses were performed. Results: Meta-analysis suggested that preventive psychological interventions effectively prevented the occurrence of sports injuries (effect size = –0.55; P < .001), although the studies showed substantial heterogeneity ( I 2 = 94.2%; P < .001), which could not be attributed to specific variables. Nevertheless, sensitivity analysis suggested that overall results were reliable. No significant risk of publication bias was found. Conclusion: Preventive psychological interventions moderately reduced the risk of sports injuries. Risk screening also significantly reduced the risk of sports injuries. These interventions should focus on cognitive behavior and be administered in 1 to 6 sessions over 7 to 12 weeks for 60 minutes per session.

Arthritis self-efficacy beliefs and functioning among osteoarthritis and rheumatoid arthritis patients: a meta-analytic review

Rheumatology ◽  
2019 ◽  
Vol 59 (5) ◽  
pp. 948-958 ◽  
Author(s):  
Todd Jackson ◽  
Ting Xu ◽  
Xiaojun Jia
Keyword(s):  
Emotional Distress ◽  
Self Efficacy ◽  
Meta Analysis ◽  
Self Report ◽  
Pain Severity ◽  
Effect Sizes ◽  
Analytic Review ◽  
Control Pain ◽  
And Control ◽  
Substantial Heterogeneity

Abstract Objectives The Arthritis Self-Efficacy Scale (ASES) is a widely used self-report measure of beliefs reflecting confidence in one’s capacity to function despite pain and control pain or other symptoms of arthritis. Despite evidence linking higher ASES scores to lower levels of impairment, pain and emotional distress, numerous modest, non-significant associations have also been observed. In this meta-analysis, we evaluated overall associations between ASES scores and adjustment in RA and OA samples as well as potential moderators that may explain the heterogeneity in these associations. Method Data from 48 samples that met all 10 inclusion criteria (N = 9222 patients) were subject to analyses. Results ASES scores had significant medium average effect sizes with functional impairment, pain severity and emotional distress but substantial heterogeneity was evident for each association. ASES–impairment associations were moderated by the diagnosis, ASES version and ASES subscale content: significantly larger effect sizes were found for studies that included RA patients, used the original 20-item ASES and assessed subscale content reflecting the pursuit of daily activities despite pain (i.e. functional self-efficacy) than for studies based exclusively on OA patients, the eight-item ASES and ASES pain control and other symptom subscales. Relations of ASES scores with pain severity and emotional distress were moderated by ASES version and subscale content, respectively. Conclusion The ASES has significant overall associations with key areas of functioning. Moderator analyses of the measure provide empirically grounded suggestions for optimal use of the ASES within OA and RA patient samples.

scholarly journals Still cooling after all these years: Meta-analysis of pre-clinical trials of therapeutic hypothermia for acute ischemic stroke

2016 ◽  
Vol 36 (7) ◽  
pp. 1157-1164 ◽  
Author(s):  
Oana M Dumitrascu ◽  
Jessica Lamb ◽  
Patrick D Lyden
Keyword(s):  
Clinical Trials ◽  
Ischemic Stroke ◽  
Therapeutic Hypothermia ◽  
Meta Analysis ◽  
Considerable Improvement ◽  
Effect Sizes ◽  
Preclinical Studies ◽  
The Past ◽  
Further Development ◽  
Experimental Cerebral Ischemia

Therapeutic hypothermia is the most potent neuroprotectant for experimental cerebral ischemia, illustrated in a 2007 meta-analysis published in this journal. To address recent therapeutic nihilism, we systematically reviewed recent experimental literature. Quality scoring showed considerable improvement in study design. Using several outcome measures in a variety of models and species, therapeutic hypothermia was protective compared with normothermia, with powerful and statistically significant normalized treatment effect sizes, in 60 papers comprising 216 comparisons. In the past 5 years, preclinical studies of ischemic stroke re-emphasize that therapeutic hypothermia is potently effective, justifying further development in larger human clinical trials.

scholarly journals The nociceptive flexion reflex: a scoping review and proposed standardized methodology for acquisition in those affected by chronic pain

2020 ◽  
pp. 204946372091328
Author(s):  
Lukas D Linde ◽  
Felipe CK Duarte ◽  
Hamid Esmaeili ◽  
Abdul Hamad ◽  
Kei Masani ◽  
...  
Keyword(s):  
Chronic Pain ◽  
Degrees Of Freedom ◽  
Meta Analysis ◽  
Objective Measure ◽  
Cochrane Library ◽  
Narrative Synthesis ◽  
Flexion Reflex ◽  
Nociceptive Flexion Reflex ◽  
Chronic Pain Conditions ◽  
Substantial Heterogeneity

The nociceptive flexion reflex (NFR) is used in neurophysiological research as an objective measure of nociception. NFR thresholds are reduced in numerous chronic pain pathologies, which are indicative of common central hyperexcitability within conditions. However, variation exists in both the NFR assessment and determinants of NFR threshold among research groups. Our purpose was to provide a review of the recent literature to (a) confirm the NFR threshold’s efficacy in identifying those with chronic pain compared to controls and (b) provide a narrative synthesis on the current methodology used to assess the NFR in clinical populations. We conducted a review of multiple databases (MEDLINE, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Google Scholar and Cochrane Library), including articles that reported controlled clinical studies of humans, in English, comparing NFR thresholds within chronic pain conditions to matched control subjects, published since the last NFR review in 2010. Our search resulted in nine studies included in our narrative synthesis and eight studies included in a meta-analysis. There was a significant pooled standardized mean difference in NFR threshold between chronic pain conditions and controls (−0.94, 95% confidence interval (CI) −1.33 to −0.55, p < 0.0001), with substantial heterogeneity of pooled estimates ( I2 = 87%, τ2 = 0.41, Q = 76.13, the degrees of freedom (df) = 11, p < 0.0001). Significant variations in participant positioning, stimulation parameters and determinants of the NFR threshold were evident among included studies. We provided a narrative synthesis on the methodologies of included studies, as a recommendation for future studies in the assessment of the NFR in chronic pain.

A Meta-Analysis of Group Interventions for Trauma and Depression Among Immigrant and Refugee Children

2021 ◽  
pp. 104973152110228
Author(s):  
Maryam Rafieifar ◽  
Mark J. Macgowan
Keyword(s):  
Meta Analysis ◽  
Effect Sizes ◽  
Refugee Children ◽  
Group Interventions ◽  
Post Traumatic Stress ◽  
Stress Symptoms ◽  
Condition Effect ◽  
Post Traumatic ◽  
Immigrant And Refugee ◽  
Substantial Heterogeneity

Purpose: A meta-analysis of group interventions to reduce post-traumatic stress symptoms (PTSS) and/or depression among refugee and immigrant children and adolescents. Methods: A systematic search was followed by independent reviews of each study for risk of bias. The meta-analysis pooled between- and within-condition effect sizes on PTSS and depression across studies using a random effects model. Results: The search yielded 16 studies utilizing eight interventions involving 976 participants. For all studies, within conditions, there were good effects on PTSS ( d = −0.66, 95% CI [−0.86, −0.46]) and depression ( d = −0.51, 95% CI [−0.79, −0.23]) with substantial heterogeneity. For studies with control groups, the between-group effect sizes yielded a small effect on PTSS ( d = −0.31, 95% CI [−0.65, 0.03]) with no significant effect on depression. Conclusions: The interventions helped to reduce PTSS and depression. Most studies lacked rigorous designs and provided little information on group variables needed for replication.

Can Telepsychiatry Replace In-Person Psychiatric Assessments? A Review and Meta-Analysis of Comparison Studies

CNS Spectrums ◽  
2005 ◽  
Vol 10 (5) ◽  
pp. 403-415 ◽  
Author(s):  
Steven E. Hyler ◽  
Dinu P. Gangure ◽  
Sarai T. Batchelder
Keyword(s):  
Meta Analysis ◽  
Objective Assessment ◽  
Effect Sizes ◽  
Standardized Assessment ◽  
Assessment Instruments ◽  
Inclusion Criteria ◽  
The Past ◽  
Detailed Observation ◽  
High Bandwidth ◽  
Significant Moderator

AbstractObjective: The authors conducted a review and meta-analysis of the literature comparing telepsychiatry with “in-person” psychiatric assessments.Method: Approximately 380 studies on telepsychiatry published between 1956 and 2002 were identified using MEDLINE, PsycINFO, and cross-referenced bibliographies. Of these, 14 studies with an N>10 compared telepsychiatry with in-person psychiatry (I-P) using objective assessment instruments or satisfaction instruments. Three of these studies compared high bandwidth (HB) with low bandwidth (LB) telepsychiatry.Results: Fourteen studies of 500 patients met inclusion criteria and were included in the meta-analysis. Telepsychiatry was found to be similar to I-P for the studies using objective assessments. Effect sizes were on average quite small, suggesting no difference between telepsychiatry and I-P. Bandwidth was found to be a significant moderator. Three moderators were tested, effect sizes remained largely heterogeneous, and further analyses are needed to determine the direction of effect. There was no difference between I-P and telepsychiatry between the HB and LB groups, although there are anecdotal data suggesting that H B was slightly superior for assessments requiring detailed observation of subjects.Conclusion: Out of a large telepsychiatry literature published over the past 40+ years, only a handful of studies have attempted to compare telepsychiatry with I-P directly using standardized assessment instruments that permit meaningful comparisons. However, in those studies, the current meta-analysis concludes there is no difference in accuracy or satisfaction between the two modalities. Over the next few years, we expect telepsychiatry to replace I-P in certain research and clinical situations.

scholarly journals The future is present in the past: A meta-analysis on the longitudinal associations of parent-adolescent relationships with peer and romantic relationships

2021 ◽  
Author(s):  
Susanne Schulz ◽  
Stefanie Nelemans ◽  
Hana Hadiwijaya ◽  
Theo Klimstra ◽  
Elisabetta Crocetti ◽  
...  
Keyword(s):  
Structural Equation Modeling ◽  
Romantic Relationships ◽  
Peer Relationships ◽  
Structural Equation ◽  
Meta Analysis ◽  
Effect Sizes ◽  
Equation Modeling ◽  
Adolescent Relationships ◽  
The Past ◽  
Longitudinal Associations

Positive peer and romantic relationships are crucial for adolescents’ positive adjustment and relationships with parents lay the foundation for these relationships. This longitudinal meta-analysis examined how supportive and negative parent-adolescent relationships continue into later peer and romantic relationships. Multilevel meta-regressions based on 81 longitudinal studies (559 effect sizes, including 49,769 participants) indicated that supportive and negative parent-adolescent relationships were associated with supportive and negative future peer and romantic relationships. Meta-analytic structural equation modeling based on 48 studies (48 effect sizes, including 14,969 participants) indicated that supportive parent-adolescent relationships unidirectionally predicted supportive and negative future peer relationships, while negative parent-adolescent relationships were bidirectionally associated with supportive and negative peer relationships. Our findings highlight the importance of relationships with parents beyond childhood.

scholarly journals Meta-Analysis of the Effect of Red on Perceived Attractiveness

2018 ◽  
Vol 16 (4) ◽  
pp. 147470491880241 ◽  
Author(s):  
Gabrielle K. Lehmann ◽  
Andrew J. Elliot ◽  
Robert J. Calin-Jageman
Keyword(s):  
Meta Analysis ◽  
Effect Sizes ◽  
Future Research ◽  
Meta Analyses ◽  
Heterosexual Attraction ◽  
Substantial Heterogeneity ◽  
Over Time ◽  
Perceived Attractiveness

We conducted meta-analyses of studies that test the red-romance hypothesis, which is that the color red enhances heterosexual attraction in romantic contexts. For men rating women, we found a small, statistically significant effect ( d = 0.26 [0.12, 0.40], p = .0004, N = 2,961), with substantial heterogeneity, Q(44) = 172.5, pQ < .0001, I2 = 89% [82, 94], and equivocal results regarding the possibility of upward bias in the estimate. For women rating men, we found a very small effect ( d = 0.13 [0.01, 0.25], p = .03, N = 2,739), with substantial heterogeneity, Q(35) = 73.0, pQ = .0002, I2 = 53% [33, 80], and evidence of upward bias in the estimate. Moderator analyses suggest effect sizes may have declined over time (both genders), may be largest when an original shade of red is used (men only), and may be smaller in preregistered studies (women only). We present contrasting interpretations and suggestions for future research.

scholarly journals Empirical assessment of published effect sizes and power in the recent cognitive neuroscience and psychology literature

2016 ◽  
Author(s):  
Denes Szucs ◽  
John PA Ioannidis
Keyword(s):  
Cognitive Neuroscience ◽  
Degrees Of Freedom ◽  
Effect Sizes ◽  
Impact Factors ◽  
P Value ◽  
The Past ◽  
Past Half Century ◽  
False Report ◽  
Psychology Literature ◽  
Journal Impact

AbstractWe have empirically assessed the distribution of published effect sizes and estimated power by extracting more than 100,000 statistical records from about 10,000 cognitive neuroscience and psychology papers published during the past 5 years. The reported median effect size was d=0.93 (inter-quartile range: 0.64-1.46) for nominally statistically significant results and d=0.24 (0.11-0.42) for non-significant results. Median power to detect small, medium and large effects was 0.12, 0.44 and 0.73, reflecting no improvement through the past half-century. Power was lowest for cognitive neuroscience journals. 14% of papers reported some statistically significant results, although the respective F statistic and degrees of freedom proved that these were non-significant; p value errors positively correlated with journal impact factors. False report probability is likely to exceed 50% for the whole literature. In light of our findings the recently reported low replication success in psychology is realistic and worse performance may be expected for cognitive neuroscience.

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