_______________ reliability involves repeated measurement of the ...

[melina_rosy]

_______________ reliability involves repeated measurement of the same person or group using the same scaling device under conditions judged to be similar.
 a. Alternative-forms d. Concurrent
  b. Test-retest e. Repeated scale
  c. Split-half

Question 2

A researcher wants to put together four focus groups of 18-24 year-old males who are heavy downloaders of music (defined as downloading 50 songs per month). He finds one person in the target market who qualifies and then asks that person to suggest the names of two other males between the ages of 18-24 who download music so that he can invite them to participate in the focus group. These people, in turn, are each asked to suggest two others similar to themselves to participate in the focus group study. This procedure represents what type of sampling procedure?
 a. stepwise sample
  b. judgment sample
  c. area sample
  d. snowball sample

[Ashley I]

Answer to Question 1

B
Test-retest reliability uses repeated measures and compares the scores to determine similarity in responses. The greater the discrepancy in scores, the greater the random error.

Answer to Question 2

D

[melina_rosy]

Thanks for the timely response, appreciate it

[irishcancer18]

Gracias!