8/20/2019 Quantitative 140328140854 Phpapp02
1/29
Curriculum Designed by Dorothy Kropf
Quantitative Studies
8/20/2019 Quantitative 140328140854 Phpapp02
2/29
Instructor: Dorothy Kropf, M.A.
Doctoral Student of Education at Walden University
Specialization: Educational echnolo!y
Area of Interest: "esearch and #i!her Educational Issues
Module $
8/20/2019 Quantitative 140328140854 Phpapp02
3/29
In a %uantitative research desi!n, the researcherposes several hypotheses to analyze the cause and
e&ects of speci'c varia(les in order to predict ande)plain certain pheno*enon +res-ell, //01.
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
4/29
o conduct a study, you *ust have a theoretical fra*e-or3.What are you (asin! your research on4
heoretical 5ra*e-or3
8/20/2019 Quantitative 140328140854 Phpapp02
5/29
What ne- %uestions or o(servations do you have4
Do you -ant to investi!ate a pheno*enon4
Do you -ant to see if an intervention that -or3ed for a s*allschool -ill -or3 in a lar!er school4
Deductive "easonin!
8/20/2019 Quantitative 140328140854 Phpapp02
6/29
Start -ith a research pro(le*.
Deductive "easonin!
8/20/2019 Quantitative 140328140854 Phpapp02
7/29
Start -ith a research pro(le*. A research pro(le* is a%uestion that sti*ulates a response throu!h scienti'c in%uiry.
Deductive "easonin!
8/20/2019 Quantitative 140328140854 Phpapp02
8/29
2uantitative research desi!ns start -itho(servations that need further e)planations andtheories. hey *a3e predictions that canpotentially ans-er the hypotheses.
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
9/29
2uantitative research desi!ns are structurallyscienti'c *ethods, utilizin! deductive reasonin! infor*s of hypotheses +6rice 7 8s-ald, //01.
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
10/29
he outco*es *easured in a %uantitative researchdesi!n are factual and (ased on data9driveninfor*ation fro* speci'c *easure*entinstru*ent+s1 rather than fro* perceptions+5ran3fort9ach*ias 7 ach*ias, //;1.
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
11/29
he overarchin! !oal of a %uantitative researchdesi!n is to dra- relationships (et-een dependentand independent varia(les, there(y assistin! theresearcher in developin! !eneralizations thate)plain or predict certain pheno*enon +res-ell,//01.
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
12/29
Variables and Unit of Analysis
Accordin! to 5ran3fort9ach*ias 7 ach*ias +//;1,
=the varia(le -hose chan!es the researcher -ishes toe)plain is 3no-n as the dependent varia(le, -hile thevaria(le the researcher thin3s induces or e)plains thechan!e is the independent varia(le> +p. ?01.
2uantitative "esearchDesi!n
Wo-@ My 3ite ies hi!her-hen the -ind (lo-s harder@
8/20/2019 Quantitative 140328140854 Phpapp02
13/29
here are B types of *easures in %uantitative research desi!ns:
$. o*inal
. 8rdinal
B. Interval
?. "atio
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
14/29
E)a*ple of o*inal *easures:
/$ C 5e*ale
/ C Male
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
15/29
E)a*ple of ordinal *easures:
College Education
$Cso*e colle!e courses ta3en
CAssociates De!ree conferred
BCachelors De!ree conferred
?C Masters De!ree conferred
FC Doctoral De!ree conferred
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
16/29
E)a*ple of Intervals:
est Scores:
A: C0/9$//G
C ;/9;0G
C HF9H0G
DC H/9H?G
5C 0G and (elo-
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
17/29
Types of Quantitative Research
Designs
8/20/2019 Quantitative 140328140854 Phpapp02
18/29
E)peri*ental Desi!n
A desi!n in -hich the researcher controls and
*anipulates varia(les to deter*ine cause and e&ects.
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
19/29
alanced E)peri*ental Desi!n: allo-s =e%ualnu*(er of o(servations> despite of therando*ness of the study +University of e)as at
Austin, n.d.1
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
20/29
orrelational "esearch Desi!n: A study that e)a*inesthe relationship (et-een varia(les and outco*es.
#ypothetical E)a*ple: here is a stron! correlation +orlin31 -ith inco*e and the type of car one drives.A!ain, this is only hypothetical J the *ore inco*e asalesperson *a3es, the nicer his car....
2uantitative "esearchDesi!n
i i h
8/20/2019 Quantitative 140328140854 Phpapp02
21/29
2uasi9e)peri*ental Desi!n:
he researcher has control over the selected participants andthe selected instru*entation. #o-ever, the researcherdoesnt have control over -ho -ill (e e)posed and -hen -illthe e)posure occur.
2uantitative "esearchDesi!n
2 i i h
8/20/2019 Quantitative 140328140854 Phpapp02
22/29
Sin!le case research:
ontinuous study of hu*an (ehavior over ti*e. E)a*ple: an
intervention study
2uantitative "esearchDesi!n
2 i i " h
8/20/2019 Quantitative 140328140854 Phpapp02
23/29
Meta9analysis research
he researcher studies the a!!re!ation of results -ith otherrelevant studies.
his type of research usually e)plores the e&ectiveness of aspeci'c *ethod +5ran3fort9ach*ias 7 ach*ias, //;1.
.
2uantitative "esearchDesi!n
8/20/2019 Quantitative 140328140854 Phpapp02
24/29
6roperties or attri(utes a researcher -ould li3e to identify and*easure.
ypes of varia(les:
• Independent varia(le
• Dependent varia(le
• ontrol varia(le
aria(les
8/20/2019 Quantitative 140328140854 Phpapp02
25/29
Independent varia(le is the varia(le that the
"esearcher has control over. his *eans that this varia(le can(e *anipulated.
Independent aria(le
8/20/2019 Quantitative 140328140854 Phpapp02
26/29
Is not a varia(le that a researcher can *anipulate. Instead, a
dependent varia(le can (e o(served and *easured as a resultof the variations of the independent varia(le.
Dependent aria(le
8/20/2019 Quantitative 140328140854 Phpapp02
27/29
A varia(le that the researcher -ill 3eep
constant.
ontrol aria(le
8/20/2019 Quantitative 140328140854 Phpapp02
28/29
• To prepare for module 2:
• Review the terminologies in this module then decideon a quantitative study you would like to conduct
• !dentify what type of research design it is" what yourvariables are" and your research questions
End ofModule
8/20/2019 Quantitative 140328140854 Phpapp02
29/29
res-ell, L. W. +//01. Research design: #ualitative" quantitative" and mi$ed methodsapproaches +Brd ed.1. housand 8a3s, A: Sa!e 6u(lications.
5ran3fort9ach*ias, ., 7 ach*ias, D. +//;1. Research methods in the socialsciences +Hth ed.1. e- or3: Worth 6u(lishers.
6rice 7 8s-ald +//;1. %$perimental research "etrieved fro*http:NNpsych.csufresno.eduNpsy$??NontentNDesi!nNypesNe)peri*ental.ht*l
6rice 7 8s-ald +//01. Developmental research "etrieved fro*http:NNpsych.csufresno.eduNpsy$??NontentNDesi!nNypesNe)peri*ental.ht*l
Si*on, M. +n.d.1 #uantitative research: The &'( side in the paradigm war O6o-er6ointslidesP. "etrieved fro* https:NN---.!oo!le.co*Nurl4saCt7rctCQ7%C7esrcCs7sourceC-e(7cdC$7vedC/DI25QA8Ao7urlChttpGBAG5G5*y-e(.ce(rid!e.netG53i*(lu*G52uantitativeGF/"esearchpresentation.ppt7eiC)0cpU0RhMoHeoAS!Fo-D-7us!CA52QnysB2t-Fs!nIyIvd;r%c%*--7si!CEu*!"rDQRvWR"KKdtl-!
University of e)as at Austin +n.d.1. The statistics glossary "etrieved fro* University of e)as at Austin -e(site: http:NN---.stats.!la.ac.u3N!lossaryN4%CnodeNF?B
i(lio!raphy
Top Related