In a contrast analysis, the sum of the contrast weights a. can ...

[luvbio]

In a contrast analysis, the sum of the contrast weights
 
  a. can vary from -1.00 to +1.00
  b. must equal -l.00
  c. must equal 1.00
  d. must equal zero.

Question 2

Contrast weights are set by the researchers in order to
 
  a. order the values of the means.
  b. indicate how the group means are to be compared.
  c. double-check that the F value is significant.
  d. turn a correlational design into an experimental design.

[kkenney]

Answer to Question 1

d

Answer to Question 2

b

[luvbio]

TYSM

[miss.ashley]

Thanks for the timely response, appreciate it