Overview of research designs

M J Clancy

doi:10.1136/emj.19.6.546

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Overview of research designs

Online download statistics by month:

Online download statistics by month: November 2002 to September 2024

	Abstract	Full	Pdf
Nov 2002	84	149	59
Dec 2002	19	88	35
Jan 2003	58	127	48
Feb 2003	30	86	44
Mar 2003	16	61	31
Apr 2003	14	37	24
May 2003	15	51	42
Jun 2003	19	33	21
Jul 2003	23	99	34
Aug 2003	19	44	21
Sep 2003	30	61	43
Oct 2003	60	103	38
Nov 2003	47	86	45
Dec 2003	14	43	14
Jan 2004	21	69	20
Feb 2004	20	48	28
Mar 2004	25	45	20
Apr 2004	26	48	18
May 2004	54	90	43
Jun 2004	41	63	65
Jul 2004	40	56	43
Aug 2004	41	65	71
Sep 2004	39	87	82
Oct 2004	43	103	86
Nov 2004	17	107	73
Dec 2004	14	105	65
Jan 2005	17	87	62
Feb 2005	23	138	99
Mar 2005	20	99	78
Apr 2005	15	74	111
May 2005	5	64	73
Jun 2005	11	72	71
Jul 2005	9	39	71
Aug 2005	4	37	71
Sep 2005	18	80	109
Oct 2005	20	111	136
Nov 2005	19	109	93
Dec 2005	15	62	73
Jan 2006	13	88	66
Feb 2006	10	80	68
Mar 2006	11	129	119
Apr 2006	9	66	83
May 2006	24	82	88
Jun 2006	9	71	70
Jul 2006	13	73	50
Aug 2006	20	58	60
Sep 2006	8	75	81
Oct 2006	14	156	98
Nov 2006	16	174	96
Dec 2006	7	131	81
Jan 2007	16	121	76
Feb 2007	15	174	79
Mar 2007	19	142	79
Apr 2007	47	35	33
May 2007	65	53	36
Jun 2007	47	26	26
Jul 2007	52	64	40
Aug 2007	38	36	34
Sep 2007	42	36	48
Oct 2007	51	50	46
Nov 2007	43	68	51
Dec 2007	47	24	19
Jan 2008	28	28	31
Feb 2008	33	26	32
Mar 2008	34	29	35
Apr 2008	35	35	32
May 2008	28	15	21
Jun 2008	15	15	13
Jul 2008	14	8	17
Aug 2008	21	7	20
Sep 2008	29	25	26
Oct 2008	13	24	19
Nov 2008	21	18	21
Dec 2008	8	6	12
Jan 2009	14	26	31
Feb 2009	20	18	19
Mar 2009	25	16	38
Apr 2009	24	18	16
May 2009	18	14	29
Jun 2009	21	30	27
Jul 2009	19	15	28
Aug 2009	15	16	24
Sep 2009	31	16	20
Oct 2009	27	23	24
Nov 2009	46	27	31
Dec 2009	20	11	14
Jan 2010	14	15	21
Feb 2010	27	24	38
Mar 2010	11	14	14
Apr 2010	23	24	19
May 2010	20	5	15
Jun 2010	11	12	14
Jul 2010	17	13	18
Aug 2010	24	8	35
Sep 2010	28	22	26
Oct 2010	38	27	36
Nov 2010	25	12	29
Dec 2010	17	14	37
Jan 2011	26	14	30
Feb 2011	35	48	49
Mar 2011	34	18	30
Apr 2011	12	9	22
May 2011	13	6	14
Jun 2011	25	13	29
Jul 2011	24	17	33
Aug 2011	30	12	26
Sep 2011	18	14	18
Oct 2011	23	14	26
Nov 2011	26	34	39
Dec 2011	27	39	41
Jan 2012	73	56	43
Feb 2012	61	47	19
Mar 2012	62	48	34
Apr 2012	49	46	27
May 2012	46	51	29
Jun 2012	65	42	30
Jul 2012	66	37	48
Aug 2012	48	50	42
Sep 2012	100	76	85
Oct 2012	108	87	73
Nov 2012	83	102	54
Dec 2012	50	39	20
Jan 2013	75	67	37
Feb 2013	58	58	34
Mar 2013	76	75	62
Apr 2013	69	82	44
May 2013	66	57	36
Jun 2013	46	49	21
Jul 2013	57	25	29
Aug 2013	58	42	35
Sep 2013	99	68	81
Oct 2013	75	139	59
Nov 2013	99	45	39
Dec 2013	42	32	29
Jan 2014	55	29	23
Feb 2014	61	33	18
Mar 2014	70	44	39
Apr 2014	43	40	25
May 2014	33	27	23
Jun 2014	33	31	18
Jul 2014	29	35	21
Aug 2014	55	29	36
Sep 2014	106	67	70
Oct 2014	58	39	55
Nov 2014	51	43	31
Dec 2014	16	18	16
Jan 2015	39	69	20
Feb 2015	26	48	18
Mar 2015	49	93	128
Apr 2015	40	69	34
May 2015	77	55	39
Jun 2015	18	55	17
Jul 2015	36	48	23
Aug 2015	50	48	23
Sep 2015	91	66	61
Oct 2015	42	30	26
Nov 2015	59	45	36
Dec 2015	22	42	26
Jan 2016	25	60	17
Feb 2016	35	32	23
Mar 2016	45	23	38
Apr 2016	53	28	35
May 2016	38	25	32
Jun 2016	56	22	34
Jul 2016	50	43	22
Aug 2016	62	37	38
Sep 2016	134	51	79
Oct 2016	81	56	55
Nov 2016	54	59	49
Dec 2016	35	48	34
Jan 2017	33	52	28
Feb 2017	26	25	30
Mar 2017	16	47	21
Apr 2017	15	40	42
May 2017	25	69	37
Jun 2017	34	44	33
Jul 2017	41	33	27
Aug 2017	69	48	30
Sep 2017	142	124	83
Oct 2017	212	152	107
Nov 2017	95	65	31
Dec 2017	89	59	22
Jan 2018	87	63	22
Feb 2018	122	84	31
Mar 2018	90	52	20
Apr 2018	92	54	39
May 2018	173	152	80
Jun 2018	62	48	25
Jul 2018	69	67	30
Aug 2018	98	98	32
Sep 2018	190	190	114
Oct 2018	183	183	88
Nov 2018	141	141	74
Dec 2018	114	114	39
Jan 2019	122	121	44
Feb 2019	129	123	44
Mar 2019	120	117	47
Apr 2019	96	94	52
May 2019	148	144	59
Jun 2019	107	107	50
Jul 2019	100	89	43
Aug 2019	110	108	60
Sep 2019	148	138	55
Oct 2019	216	204	281
Nov 2019	113	108	61
Dec 2019	111	107	64
Jan 2020	90	89	42
Feb 2020	82	80	49
Mar 2020	92	92	35
Apr 2020	72	71	49
May 2020	112	110	80
Jun 2020	267	267	90
Jul 2020	72	72	39
Aug 2020	51	51	36
Sep 2020	233	231	167
Oct 2020	150	150	245
Nov 2020	96	96	124
Dec 2020	53	52	82
Jan 2021	105	104	94
Feb 2021	71	71	76
Mar 2021	93	92	83
Apr 2021	47	46	59
May 2021	259	258	107
Jun 2021	100	100	44
Jul 2021	61	61	65
Aug 2021	81	80	48
Sep 2021	179	180	143
Oct 2021	195	195	253
Nov 2021	96	99	103
Dec 2021	107	110	105
Jan 2022	96	99	63
Feb 2022	86	95	66
Mar 2022	108	118	85
Apr 2022	159	169	77
May 2022	179	186	98
Jun 2022	91	98	49
Jul 2022	72	74	51
Aug 2022	89	91	67
Sep 2022	119	127	94
Oct 2022	109	112	246
Nov 2022	110	112	76
Dec 2022	57	61	58
Jan 2023	78	80	62
Feb 2023	108	115	99
Mar 2023	71	74	42
Apr 2023	44	45	38
May 2023	90	97	64
Jun 2023	85	90	50
Jul 2023	65	64	42
Aug 2023	80	82	37
Sep 2023	113	118	63
Oct 2023	145	150	216
Nov 2023	99	102	72
Dec 2023	432	33	39
Jan 2024	317	29	17
Feb 2024	229	17	15
Mar 2024	396	26	20
Apr 2024	252	17	12
May 2024	325	26	18
Jun 2024	177	7	7
Jul 2024	180	17	9
Aug 2024	240	12	10
Sep 2024	469	94	49
Total	17978	17697	13392

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Online download statistics by month:

Online download statistics by month: November 2002 to September 2024

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