Participant in a sample population have an equal chance of being selected for the experiment, this is an example of ?
Control Group
Random Selection
Case Study
Double Blind
Patch over the eye Blind

i think its a bad thing why? one word flood

churchill's serious tone makes it seem as though he is giving bad news rather than rallying support.

1.c

2.b

3.c

4.b

5.c

6.c

7.d

8.b

9.b

10.d

11.c

12.d

13.b

14.d

15.b

16.a

17.c

18.b

19.d

20.b

21.a

22.b

23.c

24.b

25.c

26.d

27.c

28.d

29.d

30.a

31.c

32.b

33.a

34.d

35.c

36.a

37.b

38.a

39.d

40.c

41.e

42.a

43.c

44.b

45.d

46.b

47.e

48.c

49.d

50.a

51.b

52.a

53.d

54.c