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Exam 9: Measurement

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Question 1

True/False

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Each source of data -- including written self-reports,interviews,direct behavioral observation and examining available records -- is vulnerable to measurement error.

A) True
B) False

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Question 2

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Reliability involves

A) whether a particular technique applied repeatedly to the same object would yield the same results each time.
B) ensuring accuracy.
C) ensuring that your measure measures what you think it should measure.
D) ensuring precision,

E) None of the above
F) A) and B)

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Question 3

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Face validity is a form of empirical validity.

The tendency to give a favorable impression of oneself is an example of random error.

Professor Myth asked respondents whether or not they had ever been divorced.One year later Professor Myth asked respondents the same question.Myth found that with repeated applications of the measure different responses were obtained for the same subject.This means that the measuring instrument was

Concurrent validity is one form of criterion-related validity.

Professor Smith gave an exam on Monday.On Wednesday Smith gave the same class the same exam.Professor Smith was clearly interested in assessing the exam's

The tendency of people to answer questions through a filter that will convey a favorable impression is called

Unobtrusive observation can be used for the purpose of minimizing social desirability bias.

An instrument is developed with the intent to measure whether the parenting skills of parents referred for child abuse or neglect improve after participation in a parenting education treatment program.The instrument is found to be valid when untreated parents referred for child abuse or neglect score much worse on it than model parents who are child therapists.Which of the following statements is/are true about the instrument?

The use of several different research methods to test the same finding is called triangulation.

When someone who has sexually abused a child consistently denies having done so,it is an example of

Some child-welfare workers observe children playing with anatomically correct dolls to help them assess whether those children have been sexually abused.If a child simulates sexual acts with the dolls,it is viewed as evidence that the child may be a victim of sexual abuse.What are some sources of systematic and random measurement error in this approach to assessment? How could the reliability and validity of this assessment procedure be gauged?

Describe how qualitative studies attempt to deal with reliability and validity.

Professor Lum asked respondents,"How old are you?" Later in the interview Lum asked,"What is your date of birth?" This illustrates that Lum was interested in the ________ of the measurement.

Factorial validity refers to how many different constructs a scale measures and whether the number of constructs and the items comprising those constructs are what the researcher intends.

Given a scale to measure family risk of child abuse or neglect,contrast a way to measure the criterion-related validity of the scale with a way to measure that scale's construct validity.

Validity refers to the link between the operational and conceptual definitions.

If a measure is valid,it must also be reliable.

Most social scientists would not accept the conceptualization of IQ as foot size because such a measurement would lack