版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認領(lǐng)
文檔簡介
HypothesisandresearchquestionAhypothesisisastatementofthepredictedrelationshipbetweentwoormorevariables.Purposes
Allowtheoreticalpropositionstobetestedintherealworld.Guidetheresearchdesign.DictatethetypeofstatisticalanalysisforthedataProvidethereaderwithanunderstandingoftheresearchersexpectationsaboutthestudybeforedatacollectingbegins.TherationaleorsourcesofhypothesisFromtheresearchersownexperiences.Frompreviousresearchstudies.Fromtheoreticalpropositions.Thisisthemostimportantsourceofahypothesis.Thisprocessofahypothesisderivationinvolvesdeductivereasoning.Apropositionalstatementisisolatedfromthestudyframeworkandempiricallytested.Note(1):Nursingresearchinvolvesbothinductiveanddeductivemeansofformulatinghypothesis.Note(2):Hypothesisshouldalwaysbewrittenbeforethestudyandshouldnotbechangedafterthestudyresultsareexamined.Classificationsofhypothesis
Simpleorcomplex:ASimplehypothesis:concernstherelationshipbetweenoneindependentandonedependentvariable(bivariatestudy).Inexperimentalstudiestheindependentvariablemaybeconsideredthecause,andthedependentvariablemaybeconsideredastheeffect.Example:thereisanegativerelationshipbetweendenialandreportsofanxietyamongpostmyocardialinfarctionpatients.Acomplexhypothesis:Concernsarelationshipwheretwoormoreindependentvariables,twoormoredependentvariables,orboth,areexaminedinthesamestudy(multivariate).Example:thereisapositiverelationshipbetweenpatientperceptionofpaincontroland(a)complaintsofpainand(b)requestsforpainmedication.
Note:rememberthathypothesisarenotrequiredifonlyonevariableisbeingexamined.11.NullandresearchhypothesisNullhypothesis(Ho)=Statisticalhypothesis;predictthatnorelationshipexistsbetweenvariables.
Researchhypothesis(H1)=Alternativehypothesis;statetheexpectedrelationshipbetweenvariables.Thelevelofsignificanceforrejectingthestatisticalnullhypothesisshouldalwaysbestatedbeforedataarecollected.Thelevelofsignificanceusuallysetat(.05).thismeansthattheresearcheriswillingtoriskbeingwrong5%.Generallytheaimoftheresearcheristorejectthenullhypothesisbecausethisprovidessupportfortheresearchhypothesis.111.Non-directionalanddirectionalresearchhypothesis
Nondirectionalhypothesis:thedirectionoftherelationshipisnotpresented.Directional:thedirectionoftherelationshipispresent.Itshouldcontainapredictivetermssuchasmorethan,greaterthan,decreasein,orpositivecorrelation.Itisthepreferredtypefornursingresearchstudies.e.g.Anxietylevelsarelowerforpreoperativehysterectomypatientswhohavepracticedrelaxationexercisesthanforpreoperativehysterectomypatientswhohavenotpracticedrelaxationexercises.HypothesisCriteria
Iswritteninadeclarativesentences.Iswritteninthepresenttense.Thereisapositiverelationshipbetweenthenumberoftimeschildrenhavebeenhospitalizedandtheirfearofhospitalization.Containsthepopulation.Containsthevariables.IsempiricallytestableGuidelinesforcritiquinghypothesisandresearchQuestions
Doesthestudycontainahypothesisorhypotheses?Iseachhypothesisclearlywordedandconcise?Isthehypothesiswritteninadeclarativesentences?Iseachhypothesisdirectlytiedtothestudyproblem?Doeseachhypothesiscontainthepopulationandatleasttwovariables?Isitapparentthateachhypot
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責。
- 6. 下載文件中如有侵權(quán)或不適當內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 2024-2030年回收機行業(yè)市場現(xiàn)狀供需分析及重點企業(yè)投資評估規(guī)劃分析研究報告
- 2024-2030年商務酒店行業(yè)市場發(fā)展分析與發(fā)展趨勢及投資前景預測報告
- 2024-2030年咖啡豆產(chǎn)品行業(yè)市場發(fā)展分析及投資發(fā)展前景研究報告
- 2024-2030年合成工業(yè)吸收劑行業(yè)市場現(xiàn)狀供需分析及投資評估規(guī)劃分析研究報告
- 2024-2030年可逆平板壓實機行業(yè)市場現(xiàn)狀供需分析及投資評估規(guī)劃分析研究報告
- 2024-2030年發(fā)光材料行業(yè)發(fā)展分析及投資價值研究咨詢報告
- 2024-2030年雙層洗臉盆行業(yè)市場現(xiàn)狀供需分析及投資評估規(guī)劃分析研究報告
- 2024-2030年原聲小提琴行業(yè)市場現(xiàn)狀供需分析及投資評估規(guī)劃分析研究報告
- 2024-2030年壓力分析儀行業(yè)市場現(xiàn)狀供需分析及投資評估規(guī)劃分析研究報告
- 腫瘤科優(yōu)勢病種診療方案
- 《奶茶店員工手冊》
- 三角函數(shù)的圖像與性質(zhì)專項訓練(解析版)
- 2024年浙江浙能電力股份有限公司招聘筆試參考題庫含答案解析
- ICU常用的評估工具(疼痛、鎮(zhèn)靜、譫妄)
- WDM網(wǎng)絡(luò)規(guī)劃與設(shè)計指南
- 沈陽某項目結(jié)構(gòu)顧問設(shè)計任務書
- 房屋裝修合同及預算清單【精?!?doc
- 高等電磁理論
- 胃癌正式講解(課堂PPT)
- 危險性較大分部分項工程及施工現(xiàn)場易發(fā)生重大事故的部位環(huán)節(jié)的預防監(jiān)控措施和應急預案11匯編
- DF1910使用說明書
評論
0/150
提交評論