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1.  Inaschool election, fivepeople runfor student bodypresident.Theactualnumberofvotes for eachcandidatewouldbea(n)         variable.  If thetotal number ofvoteswere removedandthecandidateswerelisted inorder ofleast tomost popular, thiswouldbea(n)

                      variable.

 

a.  ratio; ordinal b.  ordinal;ratio c.   ratio; nominal

d.  nominal;ordinal

 

 

 

2.  Aresearcher wasinterested intheeffectsofgenderonattitudestowardwomen inleadership positions. Theresearchersurveyedagroupofindividuals,12ofwhomwere menand12of whomwerewomen.Inthisexample,whatistheexplanatory/independentvariable?

 

a typeofleadershipposition b the12womenin thestudy

c thegenderof theparticipants

d theparticipantsattitudestowardwomeninleadershippositions

 

 

 

3.  Aresearcher wasinterested intheeffectsofgenderonattitudestowardwomen inleadership positions. Theresearchersurveyedagroupofindividuals,12ofwhomwere menand12of whomwerewomen.Inthisexample,whatisthe response/dependentvariable?

 

a typeofleadershipposition b the12womenin thestudy

c thegenderof theparticipants

d theparticipantsattitudestowardwomeninleadershippositions


Pleaseusethefollowinginformationtoanswerquestions4through9

 

An industrialpsychologist atacompanyhasheard thatdeskbikescouldhelpemployeesto lose weight, increasetheir stamina, andimproveproductivity. Sixteenemployeeswereprovidedwith deskbikesandthetotalnumber ofpoundsthey lost, after onemonth, was recorded.  Hereare thedata, inpounds lost, peremployee:

4

8

12

0

2

20

18

0

12

6

12

16

10

8

12

4

 

 

4.  Whatistherangeofthisdistribution?

a 0to20 b.   20

c 18 d 4

 

5.  What is themeannumberofpoundsthatwerelostbytheemployeesinone month?

a.

9.88

b.

10.4

c.

12

d.

9

 

 

6.  Whatisthemediannumberofpoundsthatwerelostbytheemployeesinone month?

a.

8

b.

9

c.

10

d.

11

 

 

 

7.  Whatisthevarianceofthenumberofpoundsthatwerelostbytheemployeesinone month?

a.

37.33

b.

9.72

c.

9.85

d.

6.11

 

 

8.  What is theInterquartile rangefor thisdistribution?

a.

4

b.

8

c.

9

d.

12

 

9.  Howmanyoutliersare in thisdistribution?

a.   0 b.   1

c.   2

d.   Unable todeterminefrom thisinformation


 

Thefollowinggraphdepictsthetypicalrelationshipfoundbetweenphysiologicalarousal(anxiety) levels(e.g.,rangefrom0= noanxietyto10=extremeanxiety) andtest performance(e.g., percentageofcorrectanswerson test).

 

 


 

 

Text Box: Test Performance (in Percentage)100%

90%

80%

70%

60%

50%

40%

30%

20%

10%

0%


RelationshipBetweenPhysiologicalArousalLevelandTest

Performance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0                      2                      4                      6                     8                     10

PhysiologicalArousalLevel


 

 

                                                                                                                                                

 

 

10.       Basedonthisgraph, whattypeof relationexistsbetweenphysiologicalarousalleveland test performance?

 

a.  Thereisnorelationbetweenageandreactiontime b.  Linear

c.   Curvilinear

d.  It isnot possibletotell, given theinformationinthegraph.

 

 

 

 

 

11.      Whichof thefollowingbestcaptureswhatthegraph(PhysiologicalArousalLevelandTest

Performance) depicts?

 

a Thereisnorelationbetweenphysiologicalarousallevelandtest performance.

b.  There isa linearrelationbetweenphysiologicalarousallevelandtest performance, suchthattest performance increaseswith increasedphysiologicalarousallevel.

c There isa linearrelationbetweenphysiologicalarousallevelandtest performance, suchthattest performancedecreaseswithincreasedphysiologicalarousallevel.

d.  Testperformanceincreasesasphysiologicalarousal level increases,becomingits

bestatamoderatearousal level,butafterthat point,testperformancedecreasesas physiologicalarousallevels increase.


 

Apsychologistwasinterestedinseeingifshecouldpredict  aperson’s level ofdepression, basedonhisor her selfesteem. “Depression”wasassessedusingastandardizeddepression inventory;thehigher thescoreonthedepressionmeasure, themoredepressivesymptomsthe personwasexperiencing. “SelfEsteemwasassessedusingastandardizedselfesteem measure; thehigher thescoreontheself-esteem measure, thehigher theperson’sreported level ofself-esteem. Thistableshows theresultsfor the10participants.

 

 

RelationshipBetweenSelf-EsteemScoresand  Depression

Scores


 

5

4.75

Text Box: Self-Esteem Scores4.5

4.25

4

3.75

3.5

3.25

3

2.75

2.5

2.25

2


 

 

 

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