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Does Monetary Support Increase the Number of Scientific Papers? An Interrupted Time Series Analysis

  
13. März 2018

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COVER HERUNTERLADEN

Figure 1

Number of papers and total number of publications with Turkish affiliations (1976–2015).
Number of papers and total number of publications with Turkish affiliations (1976–2015).

Figure 2

Number of papers listed in WoS with Turkish affiliations and supported by TÜBİTAK (1997–2015).
Number of papers listed in WoS with Turkish affiliations and supported by TÜBİTAK (1997–2015).

Figure 3

Time path of papers with Turkish affiliations (1976–2015).
Time path of papers with Turkish affiliations (1976–2015).

Figure 4

Correlograms of autocorrelation (ACF) and partial autocorrelations (PACF) functions.
Correlograms of autocorrelation (ACF) and partial autocorrelations (PACF) functions.

Figure 5

Rate of increase of papers and non-papers.Note: Scales for y axes on the left and right are different. y axis on the left represents the number of papers while the one on the right respresents the number of non-papers.
Rate of increase of papers and non-papers.Note: Scales for y axes on the left and right are different. y axis on the left represents the number of papers while the one on the right respresents the number of non-papers.

Number of papers supported by TÜBİTAK (1997–2015)_

Year# of papers supported by TÜBİTAK# of papers with Turkish affiliations (WoS)Percentage supported (%)
19972,2473,84458
19982,6574,46060
19993,0885,20159
20003,2985,46260
20014,2166,68463
20025,8888,98566
20037,51710,66271
20049,51113,19972
20057,03614,19450
20068,12215,07054
200710,55117,85359
200810,41119,32754
200911,55421,65553
201011,59222,83351
20119,57423,58841
201210,64125,25442
201310,20326,52638
201410,25727,24238
20158,01428,66228
Total146,377300,70149

Test statistic (Ljung Box)_

Model Statistics
ModelNumber of PredictorsModel Fit statisticsLjung-Box Q(18)Number of Outliers
Stationary R-squaredStatisticsDFSig.
Makale sayısı-Model_13.60723.53117.1330

Number of publications with Turkish affiliations (1976–2015)_

YearPapersOtherTotalYearPapersOtherTotal
N%N%NN%N%N
197621680532026919963,35984623163,982
197722972912832019973,84483796174,640
1978272721082838019984,460821,001185,461
1979256711062936219995,201831,078176,279
1980343741232646620005,462841,059166,521
1981299731102740920016,684841,271167,955
1982315701323044720028,985861,4341410,419
19833547214128495200310,662841,9781612,640
19844207712923549200413,199842,4881615,687
19854477614524592200514,194832,8771717,071
19865067715123657200615,070794,0992119,169
19875887717423762200717,853804,4142022,267
19886727522725899200819,327824,3791823,706
198982980209201,038200921,655824,6271826,282
199091278261221,173201022,833834,7601727,593
19911,13480290201,424201123,588825,3251828,913
19921,35177406231,757201225,254825,6071830,861
19931,51976482242,001201326,526797,2002133,726
19941,75473643272,397201427,242797,3152134,557
19952,23372885283,118201528,662797,5302136,192
Total / Avg.318,7098174,72719393,436

ARIMA Model Parameters_

EstimateSEtSig.
# of papers# of papersNo transformationConstant ARLag 1-57.138334.811-.171.866
Model 1.153.170.899.375
Difference1
Time seriesNo transformationNumeratorLag 014.05129.910.470.642
Before/afterNo transformationNumeratorLag 011.258708.202.016.987
Support
Program
EffectNo transformationNumeratorLag 029.09136.715.792.434

Values showing the delayed effect of TÜBİTAK’s support program_

YearPredicted increaseSEt-valuep-value
1994563.633390.0841.446.157
1997651.241431.1291.510.140
2003825.784571.2791.446.157
20151,174.941947.7611.240.224

j_jdis-2018-0002_tab_006_w2aab3b7b2b1b6b1ab1b8ab1aAa

Time series# of pubs# of papersStageImpactPre-int 1Post-int 1Pre-int 4Post-int 4Pre-int 10Post-int 10Pre-int 21Post-int 21
12692160010101010
23202290020202020
33802720030303030
43622560040404040
54663430050505050
64092990060606060
74473150070707070
84953540080808080
95494200090909090
1059244700100100100100
1165750600110110110110
1276258800120120120120
1389967200130130130130
141,03882900140140140140
151,17391200150150150150
161,4241,13400160160160160
171,7571,35100170170170170
182,0011,51900180180180180
192,3971,75411919022-328-940-21
203,1182,23312019122-228-840-20
213,9823,35912119222-128-740-19
224,6403,84412219322028-640-18
235,4614,46012319422128-540-17
246,2795,20112419522228-440-16
256,5215,46212519622328-340-15
267,9556,68412619722428-240-14
2710,4198,98512719822528-140-13
2812,64010,66212819922628040-12
2915,68713,199129191022728140-11
3017,07114,194130191122828240-10
3119,16915,070131191222928340-9
3222,26717,8531321913221028440-8
3323,70619,3271331914221128540-7
3426,28221,6551341915221228640-6
3527,59322,8331351916221328740-5
3628,91323,5881361917221428840-4
3730,86125,2541371918221528940-3
3833,72626,52613819192216281040-2
3934,55727,24213919202217281140-1
4036,19228,662140192122182812400
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Englisch
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Informatik, Informationstechnik, Projektmanagement, Datanbanken und Data Mining