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Chapter 5 Quiz
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Questions in this quiz (49)
1A major advantage of randomly selecting participants from a population is that
- Ayou can be more confident that your sample is representative of the population.
- Bthe degree to which the measure does not correlate with measures of different constructs.
- Cthe amount of knowledge gained may outweigh the risk
2A variable shows reliability when
- Akeeping the identity of the participants unknown and/or untraceable.
- Bsimilar results are obtained each time it is measured.
- Csubstantially alter the results obtained in the experiment.
3Discriminant validity refers to
- Athe degree to which the measure does not correlate with measures of different constructs.
- Bthe accuracy of information at some Web sites
- Cany data not mentioned in the results section.
4What differentiates interval from ratio scales of measurement?
- ARatio scales include an absolute zero point – indicating the absence of what is being measured
- Bconcurrent validity.
5___________refers to the consistency of results and ____________ is the extent to which you are measuring what you think you are measuring.
- AReliability & validity
- BValidity & measurement
- CVariety & measurability
6________________ of participants is done to obtain a representative sample.
- ASeasonal variation
- BRandom selection
- CConstruct Validity
7__________ of the participants is done to improve the experimental design of the study.
- ARandom Assignment
- BCyclical Variation
- CInstrumentation
8A study examines scores on an employment test and job performance six months later. This study is most likely attempting to establish
- Aoutcome validity
- Bcriterion validity
- Cinternal validity
9Suppose you have created a new method of diagnosing anxiety disorders. How could you demonstrate that your method is a construct valid?
- Ause your method to diagnose a group of participants, then see if your diagnoses match with diagnoses taken from other, established methods
- Bteach a group of therapists your method then observe the results over a period of time.
- Ctreat a group of participants and have them take a survey on their experience.
10Jacqueline wanted to assess the reliability of ratings made of children's aggressive behavior so she had two students rate the degree of aggression displayed by each of 50 children while engaged in play. She then compared the ratings made by these two students and computed the degree of agreement between them. Jacqueline used what method of assessing reliability?
- Ainterrater reliability
- Btest-retest reliability
- Cequivalent-forms reliability
11Gerald is developing a measure of shyness and he determines that students scoring high on the measure also score high for introversion on a well known introversion extraversion scale. The outcome best illustrates
- Aoperationalization
- Bconcurrent validity.
- Cface validity
12Which is the correct order of the scales of measurement?
- ANominal, ordinal, interval, ration
- BOrdinal, interval, ratio, nominal
- CInterval, ordinal, ratio, nominal
- DRatio, nominal, ordinal, interval
13Reliability of a test refers to which of the following?
- AThe consistency or stability of test scores
- BWhether a test measures what it is supposed to measure
- CWhether a test is valid
- DIts content sampling
14______________ is the process of assigning symbols or numbers to objects, events, people or characteristics according to a specific set of rules.
- AAssessment
- BEvaluation
- CMeasurement
- DObservation
15Which of the following sampling techniques is an equal probability selection method (ie, EPSEM) in which every individual in the population has an equal chance of being selected?
- ASimple random sampling
- BProportional stratified sampling
- CCluster sampling when the clusters are of equal size
- DAll of the above are EPSEM
16Determining the sample interval (represented by k) randomly selecting a number between 1 and k, and then including every nth element in your sample are the steps for which type of sampling?
- ASimple Random Sampling
- BThree-stage cluster sampling
- CStratified sampling
- DSystematic Sampling
17The purpose of random _____________________ is to produce a set of groups that are similar on all possible factors at the beginning of an experiment.
- ASampling
- BAssignment
18The use of symbols such as words or numbers to classify or categorize measurement objects into groups or types.
- ANominal Scale
- BOrdinal Scale
19Used to rank order objects or individuals.
- ARatio Scale
- BOrdinal Scale
20Used to rank order, plus has equal intervals between adjacent numbers.
- AInterval Scale
- BNominal Scale
21Fully quantitative, includes rank ordering, equal intervals, plus an absolute zero.
- ARatio Scale
- BInterval Scale
22Consistency of a group of individuals' scores on a test over time. Administer test, wait a week, retest.
- AEquivalent-Forms Reliability
- BTest-Retest Reliability
- CReliability Coefficient
23Consistency of a group of individual's scores on two versions of the same test (ACT, SAT)
- AEquivalent-Forms Reliability
- BInternal Consistency Reliability
- CTest-Retest Reliability
24Consistency with which items on a test measure a single construct.
- ACoefficient Alpha
- BInternal Consistency Reliability
- CInterrater Reliability
25Degree of consistency or agreement between two or more scorers, judges etc.
- AInterrater Reliability
- BInterobserver Agreement
26Interobserver Agreement is
- APercentage of times different observers ratings are in agreement.
- BThe way a construct is represented and measured in a particular research.
27The way a construct is represented and measured in a particular research study.
- AOperationalization
- BValidity
- Cface validity
28A set of elements taken from a larger population.
- AElement
- BSampling
- CSample
29The basic unit of sampling.
- ARepresentative Sample
- BElement
- CPopulation
30The full set of elements or people from which you are sampling.
- APopulation
- BSampling
- CEPSEM
31Refers to drawing elements from a population to obtain a sample.
- ASampling
- BElement
- CRepresentative Sample
32A sample that is similar to the population on all characteristics.
- ARepresentative Sample
- BEPSEM
- CElement
33Any sampling method in which each individual member of the population has an equal chance of being selected.
- AParameter
- BEPSEM (Equal Probability of Selection Method)
- CSampling Error
34A numerical characteristic of a population.
- AParameter
- BSampling Error
- CCensus
35The difference between the value of a sample statistic and the value of the population parameter.
- ASampling Error
- BSampling Frame
- CCensus
36Collecting data from everyone in the population.
- ACensus
- BSampling Frame
- CSampling
37A list of all the elements in a population.
- AStatistic
- BRepresentative Sample
- CSampling Frame
38Percentage of people in the sample selected for study who actually participate. This should be as high as possible.
- AProximal Similarity
- BSample Parameter
- CResponse Rate
39Generalization to people, places, settings, and contexts that are similar to those described in the research study.
- AProximal Similarity
- BBiased Samples
- CSimple Random Sample
40Division of population elements into mutually exclusive groups and then selection of a random sample from each group.
- ASimple Random Sample
- BCluster Random Sample
- CStratified Random Sampling
41Two types of Stratified Sampling:
- ASystematic Stratified Sampling, Non Systematic Stratified Sampling
- BProportional Stratified Sampling, Disproportional Stratified Sampling
- CSimple Stratified Sampling , Cluster Random Sampling
- DNone of the above
42Determine sampling interval (k), randomly select element between 1 and k, and select every Kth element.
- ASampling Interval
- BSystematic Sampling
- CTwo-Stage cluster sampling
43Sampling method where clusters are randomly selected. ie: 15 psychology classes which includes all students in those classes.
- ACluster random sampling
- BSampling interval
- Cproportional stratified sampling
44Use of people who are readily available.
- AConvenience Sampling
- BQuota Sampling
- CPurposive Sampling
45Researcher decides the number in the group then locates the number of people needed. The key is to find the right number of people for each group.
- ASnowball sampling
- BQuota Sampling
- CPurposive Sampling
46The researcher specifies the characteristics of the population of interest and then locates people who match the needed characteristics. ie: wanting boys and girls aged 14-17 with obsessive compulsive disorder. They would need to locate individuals willing to participate.
- AQuota Sampling
- BConvenience Sampling
- CPurposive Sampling
47Each person is asked to identify other potential participants with the inclusion characteristic.
- ASnowball Sampling
- BPurposive Sampling
- CConvenience Sampling
48Random Assignment means to obtain a sample that represents a population.
- ATrue
- BFalse
49Random Selection is used in experimental research to produce treatment and control groups that are similar on all possible characteristics.
- ATrue
- BFalse
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- Quiz on Chapter 5 Quiz, created by Laeni S on 09/02/2018.
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- Laeni S
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