______ designs involve two or more ______ variables, at least one of which is manipulated.
A. Single-variable; independent
B. Single-variable; dependent
C. Factorial; independent
D. Factorial; dependent
Ans: C
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You are some distance from a group of nine-year-old girls. You notice that four of them are in a huddle, and a fifth tries to join. The children turn their backs to her, and then someone turns and says something. She moves away but looks at the group. The one who spoke raises her hand, palm outward, and the child moves quickly away. What can you conclude from this observation?
a. forced separation b. possibly threats of violence c. group cohesiveness of those in the huddle d. leader identification e. All of the above
A researcher is interested in whether playing soft music increases worker productivity in a factory. This illustrates ____ research, and music is the ____
a. correlational; dependent variable c. experimental; independent variable b. correlational; independent variable d. experimental; dependent variable
A limited hold contingency allows teacher to make the reinforcer available for long periods of time following
the elapsed interval. Indicate whether the statement is true or false
What advice would you give a newly hired teacher on effective classroom management?
What will be an ideal response?