The potential for the Hawthorne effect is most pronounced when ...

[nelaaney]

The potential for the Hawthorne effect is most pronounced when the
  researcher is using
 
  a. the between-subjects design
  b. the matched-subjects design
  c. the one-group repeated-measures design
  d. an assigned independent variable

Question 2

The null hypothesis for the z test, since it is based on chance, must
  always be accepted.
 
  Indicate whether the statement is true or false

[pratush dev]

Answer to Question 1

c

Answer to Question 2

F

[nelaaney]

Thanks for the timely response, appreciate it

[bassamabas]

Gracias!