Author Question: Which of the following is true of interrater reliability? a. It is the relationship between ... (Read 93 times)

saliriagwu · **on:** Jul 8, 2018

Which of the following is true of interrater reliability?

a. It is the relationship between ratings by the same person done at two separate times.
b. It is the relationship between two or more data collectors' ratings of the same event.
c. There is little the researcher can do to increase this type of reliability because numerous data collectors are involved.
d. This type of reliability is applicable only to psychosocial instruments.

Question 2

Which of the following is true about the validity of a measure?

a. Characteristics of the sample may affect the validity of a tool for use in a particular study.
b. Once validity is established, it need not be examined before using the tool in future applications.
c. Physiological measures are objective and accurate and do not need to be examined for any type of validity.
d. Use of a tool in many studies indicates it is a valid instrument for nursing research.

annierak · **Reply #1 on:** Jul 8, 2018

Answer to Question 1

ANS: B
Interrater reliability compares measurement made by two or more observers measuring the same event.
Interrater implies two different persons rating some event or item.
Raters can be trained to observe in a similar way.
There are many situations in which interrater reliability is important.

Answer to Question 2

ANS: A
Validity will vary from one sample to another and from one situation to another. An instrument may be very valid in one situation, but not valid in another.
Validity of a given measure is related to the needs of the study. An instrument may be very valid in one situation, but not valid in another.
Validity will vary from one sample to another and from one situation to another. An instrument may be very valid in one situation, but not valid in another.
The validity of a tool or instrument is dependent on the needs of the study. Validity will vary from one sample to another and from one situation to another. An instrument may be very valid in one situation, but not valid in another.