Examlex
If you are hypothesizing that posttest scores will be higher than pretest scores, you should use _______.
Independent Variables
The variables manipulated or changed in an experiment to explore their effects on the dependent variable.
Interactive Effects
The combined effects of two or more independent variables on a dependent variable that are not simply additive.
Between-Groups Design
An experimental design where different groups of participants are exposed to different treatments or conditions and compared.
Random Assignment
The process of allocating participants or units in a study to different groups purely by chance, minimizing pre-existing differences between the groups.
Q9: What does 1 − ẞ represent?<br>A)alpha level<br>B)Type
Q15: What is another term for a positive
Q46: Using ANOVA, a null hypothesis could
Q50: You can use Pearson's correlation coefficient if
Q62: If you want to examine the difference
Q63: The factorial ANOVA is used when you
Q69: If your MSbₑtwₑₑn is lower than your
Q70: If you are trying to predict Y
Q75: If you want to know if several
Q75: Which of the following is the appropriate