Chapter 9: Conducting experiments

Question 1

What are some ways to measure the Dependent Variable?

Answer 1

1. Self-Report Measure
2. Behavioral Measure- direct observation of participants
3. Physiological Measure- EEG, EMG, etc.

Question 2

What is the ceiling/floor effect?

Answer 2

Failure of a measure to detect a difference because it was too easy/difficult

Question 3

What are demand characteristics?

Answer 3

Any feature of an experiment that might inform participants of the purpose of the study, results in participant expectations

Question 4

2 kinds of participant expectations?

Answer 4

Demand characteristics and the placebo effect

Question 5

What are some ways you can physiologically measure dependent variables?

Answer 5

1. EEG- electrical activity of brain cells
2. GSR- electrical conductance of the skin
3. EMG-muscle tension
4. MRI-brain structure
5. Heart rate
6. Temperature
7. Blood analysis

Question 6

What is a manipulation check

Answer 6

An attempt to directly measure whether the IV has the intendended effect on participants

Question 7

Why are strong manipulations important?

Answer 7

they maximize the difference between conditions