A measurement shows interrater reliability when a. it has ...

[geodog55]

A measurement shows interrater reliability when
 
  a. it has adequate levels of construct validity.
  b. data from two observers scoring the same event are very similar.
  c. appropriate operational definitions are used.
  d. nonsampling error is eliminated.

Question 2

Moore (1998) found that 30 blocks of 8-minute observations produced an accurate picture of how often behaviors occurred in a research setting. Researchers Odom and Ogawa (1992) found that in observational research
 
  a. investigators occasional use as few as six minutes of observation.
  b. random sampling of times produces accurate results with as little as 10 minutes of observation.
  c. most researchers have standardized their work using about 25 10-minute blocks.
  d. the behaviors studied are usually stable, requiring as little as 10 minutes for accuracy.

[mammy1697]

Answer to Question 1

B

Answer to Question 2

A

[geodog55]

TYSM

[lcapri7]

Thanks for the timely response, appreciate it