Le nto ibalulekileyo kwiSayensi yoPhando
Isampula esimeleyo iqela elihambelana neempawu zobemi balo lonke. Ngamanye amazwi, isampuli ibonakalisa ngokuchanekileyo kubemi apho isampuli ithathwa khona.
Kutheni le nto? Iyiphi impembelelo isampula esimele senze uphando? Masiqwalasele ngakumbi ezinye zezizathu ezibalulekileyo ezenza ukuba izazinzulu zisebenzise le ndlela ebalulekileyo ekuphandeni kwabo.
Kutheni usebenzisa iSample?
Xa beqokelela idatha yeengqondo zengqondo, abaphandi abaqoqeleli ukuqokelela ulwazi kwilungu ngalinye labantu abathile. Kukho iimeko apho kubalulekile ukuqokelela idatha kuyo yonke ilungu labantu (ubalo lwabantu base-United States ngumzekelo omnye).
Ngelixa livakala ngokucacileyo, ukufumana isampuli emele ngokwenene kunokuba nzima kakhulu kwaye kufuna ixesha elininzi kunye nomgudu. Enye yezinto zokuqala abaphandi abajongene nazo uzama ukufumana isampula encinci yabathathi-nxaxheba ebonisa ngokwenene ukuba kwenzekani kubantu abaninzi.
Eyona mkhulu isampuli, ngokuthe ngqo iya kubonakalisa ngokuchanekileyo into ekhoyo kubemi. Khawucinge, umzekelo, ukuba uzama ukudala isampuli ebonisa ngokuchanekileyo bonke abantu baseMerika. Ukuba isampuli yakho incinci kakhulu, awuyi kukwazi ukubonisa iintlobo zabantu abakhoyo.
Ukuze ufumane isampuli emele ngokwenene, unokufuna ukuqokelela ulwazi oluvela kwigumbi elikhulu labantu.
AmaSampuli Abameli abanikezwayo?
Kwizengqondo, isampuli esimeleyo yinkalo ekhethiweyo yeqela elihamba ngokukhawuleza noluntu ngokubanzi ngokwemiqathango ephambili phantsi koviwo.
Ngoko isampula yakho iyahlukahluka ngokubhekiselele kwinqanaba lakho lophando okanye inani labantu abanomdla.
Ngokomzekelo, ukuba isiqingatha sobemi banomdla sisisetyhini, isampuli kufuneka yenziwe ngama-50 ekhulwini kwabasetyhini ukuze babe ngabameli.
Isampuli esandula ukusetyenziswa ngokuqhelekileyo isetyenziselwa ukufumana isampuli esimeleyo kwiqela elikhulu. Oku kuquka ukukhetha ngokungaqhelekanga ngubani oza kuba kwisampuli. Yonke ilungu labantu limi kunye nethuba elilinganayo lokukhethwa.
Imizekelo yamaSampuli abameli
Khawucinge ukuba abaphandi bafuna ukujonga imibahluko kwimbala yamehlo e-United States. Ukuze bafumane isampuli esimeleyo, kufuneka bajonge ukuba yeyiphi ipesenti zabemi baseUnited States ababelana ngeempawu ezithile ezifana nobuhlanga kunye nesini kunye nokuqinisekisa ukuba isampuli yabo ibonisa ngokuchanekileyo loo manani.
Kutheni amaSampuli aBameli abaluleke kangaka kwiPhando lwezeMpilo?
Cinga ukuba iinzululwazi zazifuna ukufunda ukusabalalisa kwesifo esithile kubantu abaninzi. Ukuba babefanele bathembele kwisampula esingabonakaliyo, banokufikelela kwizigqibo ezingakhange zibonise ngokuchanekileyo oko kwenzekayo kweli hlabathi. Oku kunokuphelisa ekugqibeleni ukuba uphando oluninzi lunikezelwa ekufundweni kwesi sigulo kunye nokuba ingakanani inkxaso-mali ingafumaneka ukuze kuphandwe uphando olongezelelweyo ekukhuseleni nasekunyangeni.
> Imithombo:
Coon, D. & Mitterer, JO (2010). Isingeniso kwengqondo: Ingenelo engqondweni nasekuziphatheni ngeemephu zeengcamango. EBelmont, CA: iWadsworth; 2010.
ICensus Bureau yase-US. Iinkcukacha ngokukhawuleza: United States; 2015.