9/24 Placebo Effect and Stats

Placebo Effect Described.  60 Minutes on Placebo Effect

Descriptive vs. Inferential Statistics

FRQ on Stats
The following data set includes information from survey research in a psychology course regarding how many hours each individual in the class spent preparing for the exam.
Student Amount of hours reported studying
1 2
2 3
3 6
4 8
5 9
6 9
7 21
Examine the data and respond the following:
a. What is the middle score in this distribution?  What term is used to describe the middle score?
b. What would be the most useful statistic for measuring the variation of hours spent studying?  Why is this statistic a better measure of variation than the range?


Homework---Due on 9/25

Part I: Design an Experiment that would be a double blind experiment
Identify the following:
a. Hypothesis
b. Control Group and Experimental Group
c. Independent Variable and Dependent Variable
d. Results expected to get.

Part 2: Design an Experiment that would be a single blind experiment
Identify the following:
a. Hypothesis
b. Control Group and Experimental Group
c. Independent Variable and Dependent Variable
d. Results expected to get.