Our ability to determine whether a change in the suspected cause ...

[newyorker26]

Our ability to determine whether a change in the suspected cause is statistically associated with change in the suspected effect is
 
  a. statistical conclusion validity
  b. internal validity
  c. external validity
  d. cross-cultural validity

Question 2

A condition that more or less guarantees the effect in question is
 
  a. a motivational cause
  b. an encouraging cause
  c. a sufficient cause
  d. a necessary cause

[honnalora]

Answer to Question 1

a

Answer to Question 2

c

[newyorker26]

Thanks for the timely response, appreciate it

[LegendaryAnswers]

TYSM