Article metrics

Download PDFPDF
The effect of a direct payment or a lottery on questionnaire response rates: a randomised controlled trial

 

Online download statistics by month:

Online download statistics by month: May 2000 to September 2024

AbstractFullPdf
May 200002926
Jun 2000091
Jul 20000112
Aug 2000041
Sep 2000031
Oct 2000041
Nov 2000072
Dec 2000020
Feb 2001065
Mar 2001030
Apr 2001050
May 2001088
Jun 2001001
Jul 2001041
Aug 2001092
Sep 2001074
Oct 2001054
Nov 2001041
Dec 2001010
Jan 2002030
Feb 2002033
Mar 2002052
Apr 2002053
May 2002032
Jun 2002040
Jul 2002011
Aug 2002076
Sep 2002036
Oct 2002044
Nov 2002092
Dec 2002063
Jan 2003011
Feb 2003021
Mar 2003061
Apr 2003035
May 2003042
Jun 2003020
Jul 2003094
Aug 2003080
Sep 2003061
Oct 20030114
Nov 20030187
Dec 20030126
Jan 200402311
Feb 2004075
Mar 20040144
Apr 20040268
May 20040127
Jun 200401915
Jul 20040192
Aug 20044154
Sep 20040123
Oct 200414104
Nov 20048158
Dec 20047176
Jan 200512101
Feb 20054128
Mar 20059282
Apr 2005494
May 2005844
Jun 200512126
Jul 20053120
Aug 2005455
Sep 200512115
Oct 20054115
Nov 20053162
Dec 20055108
Jan 2006041
Feb 2006363
Mar 20060164
Apr 20067105
May 2006485
Jun 20061296
Jul 20065114
Aug 2006576
Sep 20064135
Oct 200631110
Nov 2006101614
Dec 2006267
Jan 20071104
Feb 20073143
Mar 20072168
Apr 200751713
May 200731611
Jun 20078186
Jul 20073144
Aug 200722110
Sep 20077175
Oct 20071156
Nov 20074263
Dec 20074100
Jan 200801314
Feb 20081278
Mar 200832116
Apr 2008499
May 2008674
Jun 200815305
Jul 2008196
Aug 20081136
Sep 20081106
Oct 20089327
Nov 2008191
Dec 20082124
Jan 2009054
Feb 2009185
Mar 20093218
Apr 20092109
May 2009094
Jun 2009257
Jul 20090115
Aug 20094155
Sep 20091135
Oct 2009170
Nov 20091160
Dec 2009492
Jan 2010046
Feb 2010033
Mar 2010178
Apr 2010184
May 20101128
Jun 2010043
Jul 201001110
Aug 20100112
Sep 20100209
Oct 20101111
Nov 20100168
Dec 2010091
Jan 2011093
Feb 2011075
Mar 2011468
Apr 2011352
May 2011455
Jun 2011552
Jul 2011612
Aug 2011810
Sep 20111500
Oct 2011521
Nov 20111243
Dec 20111384
Jan 20124103
Feb 2012222
Mar 2012875
Apr 201210138
May 20126156
Jun 2012894
Jul 2012785
Aug 2012758
Sep 2012284
Oct 20129213
Nov 2012041
Dec 2012096
Jan 20130134
Feb 2013074
Mar 20130179
Apr 20130189
May 201301313
Jun 2013644
Jul 20139102
Aug 2013418
Sep 2013779
Oct 2013655
Nov 2013463
Dec 2013459
Jan 2014854
Feb 2014812
Mar 20141190
Apr 2014665
May 2014620
Jun 2014273
Jul 201415123
Aug 2014343
Sep 2014571
Oct 2014672
Nov 2014012
Dec 2014373
Jan 2015271
Feb 2015048
Mar 2015980
Apr 2015451
May 20151134
Jun 2015401
Jul 2015131
Aug 2015361
Sep 201511106
Oct 2015100
Nov 2015211
Dec 2015765
Jan 2016850
Feb 2016141
Mar 2016325
Apr 2016354
May 2016138
Jun 2016533
Jul 2016632
Aug 20164121
Sep 20166160
Oct 2016661
Nov 201618116
Dec 20161011
Jan 2017594
Feb 2017241
Mar 2017182
Apr 20173142
May 20171143
Jun 20173112
Jul 2017550
Aug 2017742
Sep 201727153
Oct 201720107
Nov 201733232
Dec 201714102
Jan 201826201
Feb 201819122
Mar 201818142
Apr 201818142
May 201828200
Jun 201826204
Jul 201818144
Aug 2018443
Sep 20181173
Oct 20181175
Nov 201815152
Dec 20181193
Jan 2019863
Feb 20191393
Mar 201915137
Apr 20191163
May 2019662
Jun 2019771
Jul 20191189
Aug 2019995
Sep 2019874
Oct 20191194
Nov 2019866
Dec 201910103
Jan 202018145
Feb 202014104
Mar 2020534
Apr 20201485
May 202011114
Jun 2020661
Jul 202029256
Aug 2020553
Sep 202026192
Oct 202024197
Nov 2020855
Dec 202016123
Jan 202111117
Feb 20211174
Mar 202116145
Apr 20211282
May 202112119
Jun 202116150
Jul 2021202116
Aug 202116163
Sep 2021151510
Oct 2021211721
Nov 2021202030
Dec 202128185
Jan 202215132
Feb 2022231812
Mar 202223178
Apr 202223155
May 2022312612
Jun 202229273
Jul 202230252
Aug 202230284
Sep 2022242117
Oct 202259554
Nov 202224166
Dec 202212106
Jan 202313135
Feb 202325252
Mar 2023973
Apr 2023756
May 2023338
Jun 202317114
Jul 2023557
Aug 2023444
Sep 20231282
Oct 202317132
Nov 2023222312
Dec 20234421
Jan 20244820
Feb 20242900
Mar 20247923
Apr 20241920
May 20242402
Jun 20242900
Jul 20242820
Aug 20244800
Sep 20242720
Total230428651279