CCMH 525 Week 4 Individual Assignment Week Four Homework Exercise CCMH 525 Week 4 Individual Assignment Week Four Ho

CCMH 525 Week 4 Individual Assignment Week Four
Homework Exercise
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week-four-homework-exercise
Answer the following questions, covering material from Ch 8–10 of the Methods in Behavioral
Research text:
What is a confounding variable, and why do researchers try to eliminate confounding variables?
(2 points)
Pretest effects can be assessed with a research design called
A researcher is interested in studying the effects of story endings—predictable endings or
surprise endings—on preference ratings. He randomly assigns participants into two groups—
predictable ending or surprise ending—and instructs them to read the story and provide
preference ratings. The experimenter’s variation of story endings is a
Review Milgram’s obedience experiment on p. 38 of the text. Who was the confederate in this
experiment, and what was his role?
A researcher was interested in investigating the vocabulary skills of 6th graders in a program for
gifted students. She gave a group of participants a test of vocabulary that was aimed at the 7th-
grade level. She quickly discovered that there was limited variability in the scores because
nearly all the students answered 90% or more of the questions correctly. This outcome is called
a
How are research findings shared with others in the professional community?