Muchiyedzo chesainzi, pane zvinhu zviviri zvakakosha zvinodaidzwa kuti zvakazvimiririra uye zvinoenderana. Muchikamu chino, tichatarisa kuti ndezvipi zvakazvimiririra uye zvinotsamira zvakasiyana, kusanganisira mhando uye mienzaniso.
Iyo yakazvimiririra shanduko ndiyo inoshandurwa nesainzi kana kutonga mukuyedza. Vanoita izvi kuti vaone kuti chii chinoitika kune inotsamira shanduko.
Iyo inotsamira shanduko ndicho chinhu icho masayendisiti ari kuyedza uye kuyera mukuyedza. Zvinoenderana nekuti masayendisiti anoita sei nekusiyana kwakazvimiririra. Kana masayendisiti achinja shanduko yakazvimirira, vanotarisa uye vanonyora pasi zvinoitika kune inotsamira shanduko.
Saka, mumashoko akareruka, iyo yakazvimirira inoshanduka ndiyo inoshandurwa, uye inotsamira yakasiyana ndiyo inoratidza mhedzisiro yeshanduko iyoyo. Masayendisiti anotarisa kuti iyo inotsamira yakasiyana inoita sei kana ivo vachiita zvinhu kune yakazvimirira chinja.
Chii chinonzi Independent Variable?
Chirevo chakazvimiririra chinhu icho masayendisiti anoshandura nechinangwa mukuyedza kuona zvinoitika. Zvakafanana neswitch yavanobatidza kana kudzima kuti vaone mabudiro. Masayendisiti dzimwe nguva anogona kuseta switch iyi kune akasiyana maitiro kuti adzidze zvakawanda nezvayo. Asi, mune dzimwe nguva, havagone kuzvidzora zvakananga, asi vachiri kutarisa kuti zvinokanganisa sei mhedzisiro yekuedza.
Masayendisiti anogona kushandisa mazwi akasiyana kutaura pamusoro pezvakasiyana zvakasiyana. Semuyenzaniso, kana vakaita chimwe chinhu chinonzi linear regression, vanogona kudaidza zvimiro zvakazvimiririra "kurudyi-kudivi variables" nekuti zvinoratidzira kudivi rerudyi rechati. Vanogonawo kuvadaidza kuti mapredicor variables nekuti anobatsira masayendisiti kufanotaura nezve zvichaitika mukuyedza.
Rimwe zita nderetsanangudzo dzakasiyana nekuti dzinobatsira kutsanangura mhedzisiro. Saka, shanduko yakazvimirira yakafanana nechinhu chakakosha icho masayendisiti anoshandura kana kutarisa kuti anzwisise kuti zvinokanganisa sei kuyedza.
Mhando mbiri dzeKuzvimiririra Variables
- Experimental variables: Aya anozivikanwawo seanodzorwa akasiyana nekuti vaongorori vanogona kushandura kana kuadzora panguva yekuyedza kuti vaone kuti vanokanganisa sei zvabuda. Semuenzaniso, kana masayendisiti achida kuyedza kuti huwandu hwakasiyana hwechiedza chezuva hunokanganisa sei kukura kwezvirimwa, vanogona kushandura huwandu hwechiedza chezuva icho zvirimwa zvinogashira.
- Nyaya dzakasiyana-siyana: Kusiyana nekuedza zvakasiyana-siyana, vatsvakurudzi havagoni kudzora nyaya dzakasiyana. Pasinei neizvi, vachiri kukosha mukuedza sezvo vachigona kubatsira kupindura mibvunzo yekutsvagisa. Semuyenzaniso, kana vaongorori vachidzidza akamisikidzwa bvunzo nhamba dzevadzidzi vechikoro chesekondari kubva kumatunhu akasiyana, havagone kudzora kana kushandura matunhu anobva kune mumwe nemumwe mudzidzi. Nekudaro, vanogona kushandisa misiyano yedunhu kuisa vadzidzi boka pakutanga kwekudzidza kwavo.
Mienzaniso Yemhando Dzakazvimirira
Ngatitarisei mimwe mienzaniso kuti tinzwisise zvakazvimiririra zvakasiyana zviri nani.
Kutanga, fungidzira masayendisiti ari kuda kuziva kuti huwandu hwakasiyana hwefetereza hunokanganisa sei kukura kwechirimwa. Muchidzidzo, vanosarudza kupa mhando dzakasiyana dzefetereza kuzvirimwa zvakasiyana. Huwandu hwefetereza hunopihwa chirimwa chega chega ndicho chakasiyana chakazvimirira. Kusiyana uku ndechimwe chinhu masayendisiti anogona kuchinja nechinangwa. Vanoda kuona kuti zvingakanganisa sei kukura kwechirimwa chimwe nechimwe. Kukura kwembesa ndiko mhedzisiro, kana kutsamira kwakasiyana nekuti zvinoenderana nehuwandu hwefetireza.
Zvino, ngatitarisei chidzidzo pamusoro pemhinduro dzebvunzo dzemasvomhu. Vatsvakurudzi vanofarira kuenzanisa zvibodzwa zvevadzidzi vakatora honours-level algebra nevaya vakatora algebra yakajairwa. Sarudzo dzevadzidzi dzemakirasi ndiwo akasiyana akazvimirira muchidzidzo ichi. Vatsvagiri havagone kudzora kana kushandura kirasi yakasarudzwa nemudzidzi wega wega. Nekudaro, ivo vanogona vachiri kudzidza kana kusarudzwa kwekirasi kuchikonzera chero misiyano yevadzidzi yakaenzana bvunzo zvibodzwa. Muchiitiko ichi, zviyero zvakajairwa zvebvunzo ndizvo zvinotsamira nekuti zvinoenderana nesarudzo dzekirasi dzevadzidzi.
Saka, mumienzaniso miviri iyi, masayendisiti ari kutarisa kuti chinhu chimwe chavanogona kudzora sei (yakazvimirira shanduko) inogona kutungamira kukuchinja mune chimwe chinhu chavari kucherechedza (inotsamira shanduko). Izvi zvinovabatsira kunzwisisa hukama uye mapatani munyika yesainzi.
Chii chinonzi Dependent Variable?
Chirevo chinotsamira chinhu chinoshanduka kana waita shanduko kune chimwe chinhu chinodaidzwa kuti yakazvimiririra musiyano mukuyedza kwesainzi. Vamwe vanhu vanoidana zvakare kuti "kushanduka kwemhinduro" kana "kushanduka kwemhinduro" nekuti zvinoenderana nezvinoitika kune yakazvimirira.
Kana masayendisiti akaita ongororo, anotevera mutemo unonzi nzira yesainzi. Mutemo mumwe wakakosha kungoshandura chinhu chimwe chete panguva mukuyedza. Zvimwe zvese zvinofanira kugara zvakafanana. Izvi zvinobatsira masayendisiti kuona kuti shanduko muchinhu chimwe, iyo yakazvimirira yakasiyana, inobata sei zvimwe zvinhu, senge inotsamira shanduko.
Masayendisiti haadzore zvakananga kana kushandura shanduko inotsamira. Pane kudaro, vanoshandura yakazvimiririra yakasiyana uye vanoona zvinoitika kune inotsamira shanduko. Zvakafanana nechikonzero-uye-mhedzisiro hukama. Masayendisiti anotarisira kuti shanduko inotsamira kuenda kumusoro kana kudzika zvichienderana nezvavanoita kune yakazvimirira musiyano.
Saka, mumashoko akareruka, shanduko inotsamira chinhu chinoshanduka nekuda kwezvaunoita kune chimwe chinhu mukuyedza kwesainzi. Masayendisiti anoda kuona kuti zvinhu zvakabatana sei uye kuti chimwe chinhu chingaite sei kuti chimwe chinhu chichinje.
Mienzaniso yeDependent Variables
Ngationgororei zvinotsamira zvakasiyana mumashoko akareruka tichishandisa mienzaniso miviri chaiyo yehupenyu:
- Chidzidzo cheKukura Kwemiti: Fungidzira kuti tiri kuita ongororo yekuona kuti huwandu hwakasiyana hwefetireza hunokanganisa sei kukura kwechirimwa. Mutsauko wakazvimirira, chinhu chatinoshandura nechinangwa, huwandu hwefetireza inopihwa chirimwa chimwe nechimwe. Ikozvino, mutsauko unoenderana ndiwo watinoyera nekutarisa - mune iyi nyaya, ndiko kukura kwakanyorwa kwechirimwa chimwe nechimwe. Kana tikachengeta zvimwe zvese zvakafanana, sehuwandu hwemvura, saizi yemudziyo, chiedza chezuva, uye nguva yekukura, tinogona kutaura zvine musoro kuti kukura kwechirimwa kunokanganiswa zvakananga nekusiyana kwakazvimirira, inova fetireza.
- Math Test Analysis: Ngatitii tiri kufarira kuti marudzi akasiyana emakirasi ealgebra anopesvedzera sei zvibodzwa zvebvunzo zvevadzidzi. Mhedzisiro yakazvimirira pano inzvimbo yezvidzidzo zvevadzidzi - kunyangwe vakatora kirasi yealgebra yenguva dzose kana kirasi yehonours algebra. Izvo zvinoenderana, kune rumwe rutivi, zvibodzwa izvo vadzidzi vanowana pane yakajairwa bvunzo. Isu, sevaongorori, hatigone kudzora kana kushandura bvunzo idzi zvibodzwa; isu tinogona chete kuzviona nekuzvienzanisa mushure mekusarudza mapoka evadzidzi vane akasiyana kosi yemashure.
Mumienzaniso yese iri miviri, iyo inotsamira yakasiyana ndiyo yatiri kuona nekuyeresa, uye inoshanduka zvichibva pane yakazvimiririra vhezheni yatinoshandisa nemaune. Zvinotibatsira kunzwisisa chikonzero-ne-mhedzisiro hukama pakati pekuchinja kwatinoita uye mhedzisiro yatinoona.
Yakazvimirira uye Inotsamira Variables Mienzaniso
Mukuedza kwesainzi, pane zvinhu zvinodzorwa nesainzi nezvinhu zvavanoona. Ngatizvironde nemimwe mienzaniso.
Muenzaniso 1: Moths uye Chiedza
Fungidzira musayendisiti ari kudzidza moths uye chiedza. Vanoda kuziva kana kupenya kwechiedza kuchikanganisa kuti zvipfukuto zvinokwezvwa kwazviri here. Musayendisiti anogadzirisa kupenya kwechiedza (yakazvimirira shanduko) uye anoona kuti zvipfukuto zvinoita sei (inotsamira shanduko).
Muenzaniso 2: Chisvusvuro uye Test Scores
Zvino, funga nezvevadzidzi nemangwanani. Mumwe munhu anoshamisika kana kudya kudya kwemangwanani kunoita mutsauko muzvidzidzo zvebvunzo. Iye anoedza anodzora kudya kwemangwanani (yakazvimirira shanduko) uye anotarisa kuti bvunzo zvibodzwa zvinoshanduka sei (inotsamira shanduko). Kunyangwe pasina hukama pakati pekudya kwemangwanani uye zvibodzwa, mibairo yebvunzo ichiri kutsamira pakudya kwemangwanani.
Muenzaniso 3: Zvinodhaka uye Kuwedzera Kweropa
Mune kumwe kuedza, musayendisiti anotarisa kana mushonga mumwe uri nani pakudzora BP pane mumwe. Rudzi rwemushonga ndiwo wakazvimiririra, uye shanduko inotsamira iropa remurwere. Kuita kuti kuedza kuve kwakanyatsojeka, shanduko yekudzora (placebo isina zvinhu zvinoshanda) inowedzerwa. Izvi zvinobatsira kuona kana mushonga uchinyatso kanganisa BP.
Yakazvimirira uye Inotsamira Variables muKutsvagisa
Mukutsvaga, tinowanzo shandisa zvakazvimiririra uye zvinotsamira zvakasiyana-siyana, kunyanya muzvidzidzo zvekuedza uye quasi-yekuedza. Ngatitarisei mienzaniso yemibvunzo yekutsvagisa uye inowirirana yakazvimirira uye inotsamira akasiyana.
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- Dependent variable: Mwero wekukura kwechirimwa chematomatisi
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- Dependent variable: Job kugutsikana self-reports
Paunenge uchibata nedata rekuyedza, kuongororwa kunosanganisira kuburitsa nhamba dzinotsanangura uye kuona zvakawanikwa. Kusarudzwa kwebvunzo yenhamba kunoenderana nemhando dzakasiyana, chiyero chechiyero, uye huwandu hweakazvimiririra akasiyana siyana.
Kazhinji, t-kuedzwa or ANOVAs vanoshandiswa kuongorora data uye kugadzirisa mibvunzo yekutsvagisa. Iyi bvunzo inobatsira mukudhirowa mhedziso uye kunzwisisa hukama pakati pezvakazvimirira uye zvinotsamira zvakasiyana.
Dzidza Kutaurira Kupatsanura Yakazvimirira uye Inotsamira Variables
Kusiyanisa pakati pezvakazvimiririra uye zvinotsamira zvakasiyana, tevera iri nyore gwara:
- Kushandiswa kana Kucherechedzwa: Kutanga, funga kana shanduko inogona kuchinjwa kana kusarudzwa nevatsvakurudzi (yakashandiswa) kana kuti inongotariswa uye kuyerwa panguva yekuedza (yakaonekwa). Zvinhu zvakasiyana-siyana zvinotungamirirwa nevatsvakurudzi zvinogara zvakazvimiririra. Misiyano inocherechedzwa uye kurekodhwa zvinoenderana. Kunyangwe kana vaongorori vasingakwanise kudzora shanduko yezvidzidzo, ivo vachiri kubatwa sevakazvimirira nekuti vanopesvedzera zvinotsamira zvinosiyana.
- Graphing: Fungidzira kuronga zvinoshanduka pagirafu ine XY coordinate ndege. Mavara akazvimirira, iwo aunogona kushandura, kazhinji enda paX-axis (yakatwasuka). Zvinotsamira zvakasiyana-siyana, mhedzisiro yakakanganiswa neshanduko, enda paY-axis (yakamira).
- Rudzi rwechitatu - Zvinokanganisa Variables: Dzimwe nguva kune yechitatu mhando yekusiyanisa iyo isina kuzvimiririra kana inotsamira asi ichigona kukanganisa nemhedzisiro - idzi dzinodaidzwa kuvhiringidza mabhii. Ivo vanokanganisa kuyedza nenzira dzavangasatarisirwe nevaongorori, senge zvisingatarisirwe zvakazvimiririra zvakasiyana. Kuronga zvakasiyana-siyana haisi nguva dzose sarudzo yakajeka pakati pekuzvimiririra uye kutsamira; mamwe mabhii, seanovhiringika akasiyana, haaenderane zvakanaka muzvikamu izvozvo.
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