Journal of Developmental and Physical Disabilities

The Journal of Developmental and Physical Disabilities is an interdisciplinary forum for the publication of original research and clinical reports from a variety of fields serving persons with developmental and physical disabilities. Submissions from researchers, clinicians, and related professionals in the fields of psychology, rehabilitation, special education, kinesiology, counseling, social work, psychiatry, nursing, and rehabilitation medicine are considered. Investigations utilizing group comparisons as well as single-case experimental designs are of primary interest. In addition, case studies that are of particular clinical relevance or that describe innovative evaluation and intervention techniques are welcome. All research and clinical reports should contain sufficient procedural detail so that readers can clearly understand what was done, how it was done, and why the strategy was selected. Rigorously conducted replication studies utilizing group and single-case designs are welcome irrespective of results obtained. In addition, systematic reviews, meta-analyses, and theoretical discussions that contribute substantially to understanding the problems and strengths of persons with developmental and physical disabilities are considered for publication. Authors are encouraged to preregister empirical studies, replications, systematic reviews, and meta-analyses in a relevant public database and to include such information with their submission to the journal. Authors are also encouraged, where possible and applicable, to deposit data that support the findings of their research in a public repository (see detailed “Research Data Policy” module in the journal’s Instructions for Authors). In response to the need for increased clinical and research endeavors with persons with developmental and physical disabilities, the journal is cross-categorical and unbiased methodologically.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Developmental and Educational Psychology	1999	Q4
Developmental and Educational Psychology	2000	Q4
Developmental and Educational Psychology	2001	Q3
Developmental and Educational Psychology	2002	Q4
Developmental and Educational Psychology	2003	Q3
Developmental and Educational Psychology	2004	Q3
Developmental and Educational Psychology	2005	Q3
Developmental and Educational Psychology	2006	Q4
Developmental and Educational Psychology	2007	Q3
Developmental and Educational Psychology	2008	Q4
Developmental and Educational Psychology	2009	Q3
Developmental and Educational Psychology	2010	Q3
Developmental and Educational Psychology	2011	Q3
Developmental and Educational Psychology	2012	Q3
Developmental and Educational Psychology	2013	Q3
Developmental and Educational Psychology	2014	Q2
Developmental and Educational Psychology	2015	Q3
Developmental and Educational Psychology	2016	Q3
Developmental and Educational Psychology	2017	Q2
Developmental and Educational Psychology	2018	Q3
Developmental and Educational Psychology	2019	Q3
Developmental and Educational Psychology	2020	Q3
Developmental and Educational Psychology	2021	Q3
Developmental and Educational Psychology	2022	Q3
Developmental and Educational Psychology	2023	Q3
Physical Therapy, Sports Therapy and Rehabilitation	1999	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2000	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2001	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2002	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2003	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2004	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2005	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2006	Q3
Physical Therapy, Sports Therapy and Rehabilitation	2007	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2008	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2009	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2010	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2011	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2012	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2013	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2014	Q1
Physical Therapy, Sports Therapy and Rehabilitation	2015	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2016	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2017	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2018	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2019	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2020	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2021	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2022	Q2
Physical Therapy, Sports Therapy and Rehabilitation	2023	Q2

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	0.259
2000	0.244
2001	0.352
2002	0.237
2003	0.379
2004	0.390
2005	0.307
2006	0.243
2007	0.387
2008	0.236
2009	0.392
2010	0.381
2011	0.320
2012	0.415
2013	0.621
2014	0.724
2015	0.626
2016	0.443
2017	0.605
2018	0.588
2019	0.485
2020	0.522
2021	0.509
2022	0.502
2023	0.551

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	26
2000	24
2001	25
2002	30
2003	21
2004	26
2005	28
2006	27
2007	45
2008	45
2009	41
2010	42
2011	42
2012	43
2013	45
2014	55
2015	51
2016	51
2017	55
2018	53
2019	54
2020	54
2021	57
2022	51
2023	88

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	0.257
Cites / Doc. (4 years)	2000	0.330
Cites / Doc. (4 years)	2001	0.577
Cites / Doc. (4 years)	2002	0.357
Cites / Doc. (4 years)	2003	0.543
Cites / Doc. (4 years)	2004	0.550
Cites / Doc. (4 years)	2005	0.529
Cites / Doc. (4 years)	2006	0.581
Cites / Doc. (4 years)	2007	0.657
Cites / Doc. (4 years)	2008	0.738
Cites / Doc. (4 years)	2009	1.117
Cites / Doc. (4 years)	2010	1.222
Cites / Doc. (4 years)	2011	1.058
Cites / Doc. (4 years)	2012	1.347
Cites / Doc. (4 years)	2013	1.440
Cites / Doc. (4 years)	2014	1.965
Cites / Doc. (4 years)	2015	1.773
Cites / Doc. (4 years)	2016	1.464
Cites / Doc. (4 years)	2017	1.450
Cites / Doc. (4 years)	2018	1.358
Cites / Doc. (4 years)	2019	1.295
Cites / Doc. (4 years)	2020	1.704
Cites / Doc. (4 years)	2021	1.593
Cites / Doc. (4 years)	2022	2.087
Cites / Doc. (4 years)	2023	2.537
Cites / Doc. (3 years)	1999	0.257
Cites / Doc. (3 years)	2000	0.288
Cites / Doc. (3 years)	2001	0.479
Cites / Doc. (3 years)	2002	0.320
Cites / Doc. (3 years)	2003	0.557
Cites / Doc. (3 years)	2004	0.618
Cites / Doc. (3 years)	2005	0.455
Cites / Doc. (3 years)	2006	0.453
Cites / Doc. (3 years)	2007	0.593
Cites / Doc. (3 years)	2008	0.670
Cites / Doc. (3 years)	2009	1.162
Cites / Doc. (3 years)	2010	1.260
Cites / Doc. (3 years)	2011	1.000
Cites / Doc. (3 years)	2012	1.200
Cites / Doc. (3 years)	2013	1.575
Cites / Doc. (3 years)	2014	1.954
Cites / Doc. (3 years)	2015	1.615
Cites / Doc. (3 years)	2016	1.298
Cites / Doc. (3 years)	2017	1.338
Cites / Doc. (3 years)	2018	1.331
Cites / Doc. (3 years)	2019	1.189
Cites / Doc. (3 years)	2020	1.630
Cites / Doc. (3 years)	2021	1.615
Cites / Doc. (3 years)	2022	1.891
Cites / Doc. (3 years)	2023	2.407
Cites / Doc. (2 years)	1999	0.255
Cites / Doc. (2 years)	2000	0.102
Cites / Doc. (2 years)	2001	0.420
Cites / Doc. (2 years)	2002	0.245
Cites / Doc. (2 years)	2003	0.509
Cites / Doc. (2 years)	2004	0.529
Cites / Doc. (2 years)	2005	0.319
Cites / Doc. (2 years)	2006	0.259
Cites / Doc. (2 years)	2007	0.364
Cites / Doc. (2 years)	2008	0.639
Cites / Doc. (2 years)	2009	1.211
Cites / Doc. (2 years)	2010	1.233
Cites / Doc. (2 years)	2011	0.952
Cites / Doc. (2 years)	2012	1.214
Cites / Doc. (2 years)	2013	1.400
Cites / Doc. (2 years)	2014	1.932
Cites / Doc. (2 years)	2015	1.190
Cites / Doc. (2 years)	2016	1.104
Cites / Doc. (2 years)	2017	1.324
Cites / Doc. (2 years)	2018	1.000
Cites / Doc. (2 years)	2019	1.046
Cites / Doc. (2 years)	2020	1.533
Cites / Doc. (2 years)	2021	1.602
Cites / Doc. (2 years)	2022	1.766
Cites / Doc. (2 years)	2023	2.500

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	0
Self Cites	2000	0
Self Cites	2001	5
Self Cites	2002	1
Self Cites	2003	5
Self Cites	2004	3
Self Cites	2005	3
Self Cites	2006	5
Self Cites	2007	5
Self Cites	2008	8
Self Cites	2009	12
Self Cites	2010	16
Self Cites	2011	6
Self Cites	2012	10
Self Cites	2013	12
Self Cites	2014	25
Self Cites	2015	20
Self Cites	2016	13
Self Cites	2017	18
Self Cites	2018	9
Self Cites	2019	8
Self Cites	2020	5
Self Cites	2021	12
Self Cites	2022	10
Self Cites	2023	10
Total Cites	1999	19
Total Cites	2000	21
Total Cites	2001	35
Total Cites	2002	24
Total Cites	2003	44
Total Cites	2004	47
Total Cites	2005	35
Total Cites	2006	34
Total Cites	2007	48
Total Cites	2008	67
Total Cites	2009	136
Total Cites	2010	165
Total Cites	2011	128
Total Cites	2012	150
Total Cites	2013	200
Total Cites	2014	254
Total Cites	2015	231
Total Cites	2016	196
Total Cites	2017	210
Total Cites	2018	209
Total Cites	2019	189
Total Cites	2020	264
Total Cites	2021	260
Total Cites	2022	312
Total Cites	2023	390

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	0.257
External Cites per document	2000	0.288
External Cites per document	2001	0.411
External Cites per document	2002	0.307
External Cites per document	2003	0.494
External Cites per document	2004	0.579
External Cites per document	2005	0.416
External Cites per document	2006	0.387
External Cites per document	2007	0.531
External Cites per document	2008	0.590
External Cites per document	2009	1.060
External Cites per document	2010	1.137
External Cites per document	2011	0.953
External Cites per document	2012	1.120
External Cites per document	2013	1.480
External Cites per document	2014	1.762
External Cites per document	2015	1.476
External Cites per document	2016	1.212
External Cites per document	2017	1.223
External Cites per document	2018	1.274
External Cites per document	2019	1.138
External Cites per document	2020	1.599
External Cites per document	2021	1.540
External Cites per document	2022	1.830
External Cites per document	2023	2.346
Cites per document	1999	0.257
Cites per document	2000	0.288
Cites per document	2001	0.479
Cites per document	2002	0.320
Cites per document	2003	0.557
Cites per document	2004	0.618
Cites per document	2005	0.455
Cites per document	2006	0.453
Cites per document	2007	0.593
Cites per document	2008	0.670
Cites per document	2009	1.162
Cites per document	2010	1.260
Cites per document	2011	1.000
Cites per document	2012	1.200
Cites per document	2013	1.575
Cites per document	2014	1.954
Cites per document	2015	1.615
Cites per document	2016	1.298
Cites per document	2017	1.338
Cites per document	2018	1.331
Cites per document	2019	1.189
Cites per document	2020	1.630
Cites per document	2021	1.615
Cites per document	2022	1.891
Cites per document	2023	2.407

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	7.69
2000	8.33
2001	8.00
2002	3.33
2003	9.52
2004	3.85
2005	17.86
2006	11.11
2007	11.11
2008	15.56
2009	7.32
2010	9.52
2011	9.52
2012	18.60
2013	20.00
2014	30.91
2015	13.73
2016	7.84
2017	16.36
2018	11.32
2019	16.67
2020	14.81
2021	22.81
2022	15.69
2023	14.77

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	0
Non-citable documents	2000	0
Non-citable documents	2001	0
Non-citable documents	2002	0
Non-citable documents	2003	0
Non-citable documents	2004	0
Non-citable documents	2005	0
Non-citable documents	2006	0
Non-citable documents	2007	0
Non-citable documents	2008	0
Non-citable documents	2009	0
Non-citable documents	2010	1
Non-citable documents	2011	3
Non-citable documents	2012	4
Non-citable documents	2013	3
Non-citable documents	2014	1
Non-citable documents	2015	0
Non-citable documents	2016	0
Non-citable documents	2017	1
Non-citable documents	2018	2
Non-citable documents	2019	2
Non-citable documents	2020	1
Non-citable documents	2021	0
Non-citable documents	2022	0
Non-citable documents	2023	0
Citable documents	1999	74
Citable documents	2000	73
Citable documents	2001	73
Citable documents	2002	75
Citable documents	2003	79
Citable documents	2004	76
Citable documents	2005	77
Citable documents	2006	75
Citable documents	2007	81
Citable documents	2008	100
Citable documents	2009	117
Citable documents	2010	130
Citable documents	2011	125
Citable documents	2012	121
Citable documents	2013	124
Citable documents	2014	129
Citable documents	2015	143
Citable documents	2016	151
Citable documents	2017	156
Citable documents	2018	155
Citable documents	2019	157
Citable documents	2020	161
Citable documents	2021	161
Citable documents	2022	165
Citable documents	2023	162

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	60
Uncited documents	2000	59
Uncited documents	2001	49
Uncited documents	2002	57
Uncited documents	2003	51
Uncited documents	2004	45
Uncited documents	2005	54
Uncited documents	2006	53
Uncited documents	2007	51
Uncited documents	2008	62
Uncited documents	2009	56
Uncited documents	2010	58
Uncited documents	2011	57
Uncited documents	2012	55
Uncited documents	2013	39
Uncited documents	2014	47
Uncited documents	2015	63
Uncited documents	2016	62
Uncited documents	2017	67
Uncited documents	2018	67
Uncited documents	2019	74
Uncited documents	2020	55
Uncited documents	2021	52
Uncited documents	2022	53
Uncited documents	2023	39
Cited documents	1999	14
Cited documents	2000	14
Cited documents	2001	24
Cited documents	2002	18
Cited documents	2003	28
Cited documents	2004	31
Cited documents	2005	23
Cited documents	2006	22
Cited documents	2007	30
Cited documents	2008	38
Cited documents	2009	61
Cited documents	2010	73
Cited documents	2011	71
Cited documents	2012	70
Cited documents	2013	88
Cited documents	2014	83
Cited documents	2015	80
Cited documents	2016	89
Cited documents	2017	90
Cited documents	2018	90
Cited documents	2019	85
Cited documents	2020	107
Cited documents	2021	109
Cited documents	2022	112
Cited documents	2023	123