1. Introduction to Statistics for the Social Sciences SBS200 - Lecture Section 001, Spring 2019 Room 150 Harvill Building 9:00 - 9:50 Mondays, Wednesdays & Fridays.
March 29

2. Even if you have not yet registered your clicker you can still participate
The
Green
Sheets

3. Before next exam (April 5th)
Schedule of readings
Before next exam (April 5th)
Please read chapters in OpenStax textbook
Please read Chapters 2, 3, and 4 in Plous
Chapter 2: Cognitive Dissonance
Chapter 3: Memory and Hindsight Bias
Chapter 4: Context Dependence

4. Labs continue next week
Lab sessions
Everyone will want to be enrolled
in one of the lab sessions
Labs continue next week

5. Writing Assignment – Quiz

6. Writing Assignment – Quiz

7. Writing Assignment – Quiz
Number of groups - 1
Number of people – number of groups

8. Writing Assignment – Quiz
Type of Incentive
Number of cookies sold 3
No effect of type of
incentive on the number of cookies sold
Claim there is an effect
when there is no effect of incentive 10 12 14 2 12
3.89

9. Writing Assignment – Quiz2 20
2.73 12
7.33 14 No
The average number of cookies sold for three different incentives
were compared. The mean number of cookie boxes sold for the
“Hawaii” incentive was 14 , the mean number of cookies boxes sold
for the “Bicycle” incentive was 12, and the mean number of cookies
sold for the “No” incentive was 10. An ANOVA was conducted and
there appears to be no significant difference in the number of
cookies sold as a result of the different levels of incentive
F(2, 12) = 2.73; n.s. 12

10. Writing Assignment – Quiz
t-test if two means  ANOVA if more than 2
If you know the population standard deviation use “z”
If you only know sample standard deviation use “t”
n - 2
All mean same thing
All mean same thing

11. Writing Assignment – Quiz
Total Variability 
Within Group Variability 
Between Group Variability 

12. Writing Assignment – Quiz
Type of running shoe
Running Speed
1 (Type of Running Shoe)
3 (Type 1, Type 2 and Type 3) 
3.37
Yes

13. Writing Assignment – Quiz
Hand in Worksheet

14. Thank you!
See you next time!!