Over het (on)gewenste effect van Instagram

01210345

67789

9 7 7 9 9 7 87

7 ! "6#

+,,-./0,1123

456789:;<=;>?;@>A=:;A:8B7?6?8C=D4E4F Â&#x203A;12Â&#x153;2Â?

Â&#x17E;Â&#x;Â&#x; ¥¢£¤¼Œ¼§£Ě&#x2C6;¼£¥§Š£ªÂ&#x;ÂŤÂ&#x;§­¼Ž¼ª¥¼Œ£¥¯£°§ŠÂ&#x;ÂŽÂ Â&#x;¢¹£²¢¤Â&#x;£³¼£Œ¼´ ­Š¾ GHIHJKLMHNOPINQHRSHTNLKULMNKINHKRHINVWHXHTNWYHZNJHNJZPIRNWTN[KM\][KMHIJN^HZ_H`MHN^]PPMUH\NHIN\[``H\\HINMHNJH]HINW^ \W`KP]HNTHJKPa

ÂśÂ?iÂ?Â&#x2013;Â&#x201D;Â&#x2018;Â&#x201C;Â?d¡Â&#x2014;idÂ?Â?Â&#x161;¸Â?Â&#x2022;

Dozo qypo8šxz8:oÂ&#x2021;~ou8qr8}tuuÂ&#x2030;zq}xpqouo oÂ&#x160;ovyov8Â&#x2C6;q 8?AÂşÂ&#x2026;8DvÂ&#x2030;Â&#x2021;Â&#x2021;oÂ&#x20AC;8}tÂ&#x192;ÂťÂ&#x160;vqpovÂ&#x20AC;8poyrpvo x}poÂ&#x2030;v8oz8Â&#x2C6;Â&#x201A;tÂ&#x2021;Â&#x2021;ov{8Âźo8r}~vq Â&#x2020;p8twov8 o8x}pÂ&#x2030;xÂ&#x201A;qpoqpÂ&#x20AC;8tÂ&#x192;wto qzÂ&#x2021;Â&#x20AC; rt}qxÂ&#x201A;o8p~oux½r8oz8 o8 qzÂ&#x2021;oz8 qo8~xxv8½Â&#x192;trqpqoÂ&#x2020;½8Â&#x160;xyyov8~tÂ&#x2030; oz

bcdefdghid djklmn 7op8qr8stuovwxyxzpqo{8|o8stz8r}~q zpÂ&#x20AC;8 o8 q y8Â&#x201A;ttÂ&#x192;p8wtÂ&#x201A;8wvtÂ&#x201A;q yo8uozroz{89o8yttÂ&#x192;p8ooz8q r o8xxz8ooz8yvxxu8oz8zop8wttv8 o8 o8pxz oz8qz8~op8Â&#x201A;oyyovr8sopÂ&#x20AC;8 ozy8 oÂ&#x201E;8~qov uxxy8qy8rzoÂ&#x201A;8ooz8yqoy o8wxz{8Â&#x2026;xxvzx8 o8~op8Â&#x192;ovÂ&#x2020;o}p8Â&#x2021;oyx voov o8r~tp8wxz8 o8}xÂ&#x201A;tvqoÂ&#x2C6;tuÂ&#x20AC;8 o8Â&#x2C6;Â&#x201A;xÂ&#x2030;Â&#x160;o8Â&#x201A;Â&#x2030;}~p8oz8 o8~tvqstz8tÂ&#x192;8=zrpxÂ&#x2021;vxu8tÂ&#x2020;8Â&#x2039;x}oÂ&#x2C6;tty8sÂ&#x160;qovp{8 <tup8 qp8r}ozxvqt8 o8Â&#x2C6;oyoz 8wttvÂ&#x152;8|xz8yÂ&#x2030;zzoz8Â&#x160;o8oÂ&#x201A;yxxv8wÂ&#x201A;tp8 o8~xz 8r}~Â&#x2030;  oz{8Â&#x2026;xzp8 xÂ&#x20AC;8qy8Â&#x2C6;oz8tty8st8qouxz 8 qo8Â&#x2021;ovoÂ&#x2021;oÂ&#x201A; 8rzxÂ&#x192;r~tpr8oz8Â&#x2020;ooÂ&#x201A;Â&#x2021;tt Â&#x2020;tptÂ?r8Â&#x192;trp tÂ&#x192;8rt}qxÂ&#x201A;o8uo qx{8EÂ&#x201A;8rpoÂ&#x201A;8qy8uo8xÂ&#x201A;r8Â&#x2020;xz8wxz8~op8oovrpo8Â&#x2030;Â&#x2030;v8Â&#x160;oÂ&#x201A;8rpoo r8wxyov8 o8wvxxÂ&#x2021;Â&#x201E;8Â&#x160;xxvtu8 to8qy8~op8qz8Â&#x2021;t rzxxuÂ&#x152; 7op8uoorp8owq ozpo8xzpÂ&#x160;ttv Â&#x201E;8tu xp8~op8Â&#x201A;oÂ&#x2030;y8qr{8?Â&#x2020;8pt}~8st8xxzwtoÂ&#x201A;p{8:oz8Â&#x192;Â&#x201A;xpÂ&#x2020;tvu8xÂ&#x201A;r8=zrpxÂ&#x2021;vxuÂ&#x20AC;8 o8uoorp8Â&#x192;tÂ&#x192;Â&#x2030;Â&#x201A;xqvo8Â&#x2020;tptÂ&#x2C6;Â&#x201A;tÂ&#x2021;8wxz8~op8utuozpÂ&#x20AC;8qr8ooz8t}oxxz Â&#x192;vtÂ&#x192;wtÂ&#x201A;8r}~ttz~oq Â&#x20AC;8wvtÂ&#x201A;q y~oq 8oz8xvpqrpqoyo8Â&#x2C6;ooÂ&#x201A; oz{8Â&#x17D;ooz8uozr8Â&#x2C6;Â&#x201A;q Â&#x2020;p8tzÂ&#x2021;owtoÂ&#x201A;qÂ&#x2021;8wttv8 qo8Â&#x192;trqpqowo8pttz{8Â&#x2026;o8Â&#x2C6;x oz8uxxv8Â&#x160;xp8Â&#x2021;vxxÂ&#x2021;8qz8Â&#x2020;oztuozxÂ&#x201A;o stzrtz ovÂ&#x2021;xzÂ&#x2021;ozÂ&#x20AC;8quÂ&#x192;vorrqtzxzpo8Â&#x2C6;ovÂ&#x2021;Â&#x201A;xz r}~xÂ&#x192;Â&#x192;oz8oz8Â&#x2030;Â&#x201A;pvxytvpo8wq otÂ?r8 qo8ooz8Â?Â&#x2030;zqoy8utuozpÂ?8oqz oÂ&#x201A;ttr8~ov~xÂ&#x201A;oz{8

-Â?Â&#x2018;Â&#x2019;Â&#x201C;dÂ&#x201D;Â&#x2019;dÂ&#x2022;Â&#x201D;iÂ&#x2013;Â?cdbÂ&#x2014;idÂ&#x2DC;Â?Â&#x2122;Â&#x2014;iÂ&#x161; $%% & 8 &' % 8 % %0345%3(%0)% 7 87 1 1 877

81 9981 %

4%*

01210345

67789

9 7 7 9 9 7 87

7 ! "6#

+,-.//01,0/2,.//0.304-/15/2.64.789,0:6,0.:/-.,5.;.60.-,1,04-,<<601.-8-.=/>,788?@.A//5.?0/BB,.?6,?C,4.88?.:,.5,9D,.B/44,5,0.;.A,6061.5D62-,.64.9885.76-4, :64>D446,4.8E.7,</:,0F,6:G.

HIJKLLMNIMLOIKLLMKPMQJLNRLOKSQKTUVIMWSIMKWLJKIRKXISMSNKRYSOJIKSQKV TIZLWIM[ISW \,?4-.64.4,>D0:/65G.]5.A85:-.06,-.2,-.28::,5.1,1886:.0//5./0:,54:,0?,0:,.1,75D6?,54.,0.2,44>F,5B,.D6-</-601,0.89,5.:,^,.8E.1,0,.2//-4>F/BB,<6C?, 4-5,??601.^6C0.^,<:,0.//0.:,.85:,G._,.,60:,<8^,.4-5882.//0.<D4-,0.9885.F,-.881.7,9,4-61-.:/-./<<,4.18,:.1//-.,0.F,-.^6,0.2,,5.:/0.A//5:.64G._,.D6-1,?6,0:,.E6<-,5 8B.,<?.7,,<:.9,54-,5?-.:/-.,EE,>-.081.,,04.̀abcdebfegdhijbciaG.k6?4.9,5?,,5:4.2,,@.-8>Fl. ]0.-8>FG.+,-.64.06,-.82:/-./<<,4.2886.,0.B,5E,>-.<6C?-@.:/-.F,-.:/-.60.A,5?,<6C?F,6:.88?.64G.m6,.604-/15/2-.8E.E/>,788?-@.B58E6<,,5-.^6>F^,<E.D6-:5D??,<6C?G._/-.:8,0.A, 76C.9885?,D5.B846-6,E@.^,<E4./<4.F,-.89,5.F,6?,<,.-F,2/n4.1//-G.o<4.A,.E8-8n4.B84-,0@.^6C0.A,.06,-.^82//5.,,0.:8851,,E<D6?.9/0.,4-F,-64>F,.40/B4F8-4G.m,.4,<,>-,5,0 7,AD4-.7,,<:,0.,0.98<1,0./0:,5,.1,75D6?,54.9/0.A6,.A,.F8B,0.:/-.^,.804.^6,0@.8B.FD0.7,D5-.98<1,0.,0.abpdqG. +8,.2,,5.2,04,0.80^,.40/B4F8-4.2,-.,,0.F/5-C,.7,<80,0@.F8,.7,-,5.A,.804.98,<,0G.m//5:885.:,.,4-F,-6,?.F,-./<.,,04.F//<-.9/0.:,.60F8D:G.m,.</-,0.<6,9,5.06,^6,0.:/-.A,.804.76CA6C<,0.264,5/7,<.98,<,0@.8E.:/-.F,-.<,9,0.^80:,5.E6<-,54.,0.?/:5,5601.F,-.:,<,0.9//?.06,-.A//5:.64G._//589,5.0/:,0?,0.;.:/-.:8,.6?.0//41,A880.?6,?C,4.B84-,0.88?.;.9,5/0:,5-.C,.?6C?.8B.F,-.9,5F//<.0/.9,5<88B.9/0.-6C:G

rIKZLJIMKZSIVIRKMSIJKsSIMKWLJK[IJKZIVIMKsUMWIRKtSZJIRQKIMKuLWRIRSMNK[IJKW

+,-.2//?-.:/-.C,.^8n0.:616-//<.B</-E852.081.4-,,:4./BB5,>6,,5-@.2//5.?56-64>F,5.1,75D6?-G.v8.:,,<.6?.60.:,.^82,5.9/0.wxyz.081.4-,,:4.F/5-C,4.D6-.//0.0/-DD5{.8E 2,04,0E8-8n4.:6,.6?.:,.28,6-,.A//5:.960:G.k,-.^8/<4.60.:,.7,160:/1,0.9/0.26C0.E8-87<81.B<//-4.6?.88?.081.4-,,:4.B846-6,9,.5,/>-6,4.76C.4-5/EE,.E8-8n4G |//5.,5.^6C0.,9,0^,,5.282,0-,0.A//58B.6?.:885.:,.7,,<:,04-5882.4>58<.,0.:,0?.̀A/-.2//?-.F,-.D6-@.:/-.}.8E.~.60.:,.48<:,0.,,0.4>F6--,5,0:.58?C,.F,,E1,4>885:l. E.̀^8D.6?.F,-.6C4C,.7,-,5.06,-.1,A880.8B,-,0@.60.B<//-4.9/0.F,-.9/??D0:61.-,.E8-815/E,5,0.-,5A6C<.F,-.42,<-l. E.̀ad dq.604-/15/22,54.A,<@./<4.^, :885F,,0.:,.:/1.1,,0.E8-81,06,?,.DB:/-,.8E.40/B4F8-.9/0.FD0.<D0>F.//0.:,.A,5,<:.F,77,0.0/1,</-,0l.m//50/.6?.:,.42/5-BF80,.,9,0.8B^6C<,1.,0.2,.:, F/295//1.4-,<.̀ m//582.^6-.6?. 081.4-,,:4 .8B.304-/15/2l G

PuKsSJKMUNKU KPMQJLNRLOKUOWLJKWSNSJLZIKQ [UUM[ISWKUUuKIIMKTRUuKIMIR

+,-./0-A885:.<D6:-@.0/.A/-.A6??,0.,0.A,1,0.̀82:/-.F,-.<,D?.64G. 2:/-.:616-/<,.4>F880F,6:.88?.,,0.758?.,0,516,.1,,E-G.3?.1,06,-.0,-./<4.6,:,5,,0.9/0./0:,52/04 E8-8n4.,0.F88B.:/-.26C0.<D--,<,.ywx.98<1,54.:/-.88?.:8,0@.A/00,,5.6?.F,0.6,-4.0/<//-.8B.26C0.7<81G 304-/15/2.,0./0:,5,.48>6/<,.2,:6/.^6C0.9885.26C.:D4.1,,0.7//5<6C?,.:D69,<@.08>F.:,.15//:2,-,5.9885.B,54880<6C?.1,<D?G._//5.E8-8n4.:,<,0.,0.7,?6C?,0@.1,,E-.,,0 18,:.1,98,<.A/00,,5.6?.,5.^60.60.F,7G. +,-./<<,5E6C04-,@.789,0:6,0.̀:/-.6?.8B.:6,.D<-5/B8BD</65,.B<,?.;.A,.^6C0.2,-.2,,5.:/0.,,0.26<C/5:.304-/15/21,75D6?,54.A,5,<:A6C:.;.?/0.7</:,5,0.60.,,0.,61,0 F64-856,?.9/0.?<,60.1,<D?G._6,.7,4-//-.D6-.,,0.//0^6,0<6C?,.F8,9,,<F,6:.6C4C,4@.7<8,:2886,.^80480:,51/01,0@.^8--,.?60:,5,0.,0.789,0/<.̀F,,<.9,,<.^,,@.60.yxy F,,5<6C?,.E8-8n4G.304-/15/2.64.26C0.,61,0.v,,4-/15/2G.3?.F88B.:/-.F,-.081.,,0.B884.^8.7<6CE-G

\.km .A6<.8B.95-0A4G7,.,,0.76C:5/1,.<,9,5,0.//0.F,-.2//-4>F/BB,<6C?.:,7/-.89,5./>-D,<,.-F,2/n4G. 2:/-.A,.F,-.7,</0156C?.960:,0.82.9,54>F6<<,0:,.4-,22,0.,0.2,0601,0.-, F85,0.BD7<6>,5,0.A,.5,1,<2/-61.8B606,-,?4-,0G.]<?,./D-,D5.4>F56CE-.60.,61,0.0//2.8E.60.:6,.9/0.^6C0.9,5,061601G.v6C.^6C0.9,5/0-A885:,<6C?.9885.:,.60F8D:.9/0.:,.-,?4-G.m6<-.D.15//1.^,<E

$%% & 8 &' % 8 % %0345%3(%0)% 7 87 1 1 877

81 9981 %

0%*

01210345

67789

9 7 7 9 9 7 87

7 ! "6#

AABCDEFBFAGHIJCEIKLFMANABOCMDBHPMHAANCQPBCRSTCUVWCXFPCYDQANPHDNZXNH[KA[ +,,-./012/345657819 :;50<=265->5?9 @?>5752./012/345657819

$%% & 8 &' % 8 % %0345%3(%0)% 7 87 1 1 877

81 9981 %

*%*