Which experimental design has the following symbols: O1 O2 O3 ...

[elizabeth18]

Which experimental design has the following symbols:
 
  O1 O2 O3 X O4 O5 O6
 a. static group design
  b. after-only design
  c. pretest-posttest control group design
  d. time series design

Question 2

Which element of a research report should state the title of the report, for whom the report is prepared, by whom it was prepared, and the date of releases or presentation?
 a. preamble
  b. appendix
  c. letter of transmittal
  d. title page

[lindahyatt42]

Answer to Question 1

D

Answer to Question 2

D

[elizabeth18]

Thanks for the timely response, appreciate it

[kjohnson]

Gracias!