Presentation made in WF ED 540, Data Analysis, Pnn State, Fall Semester 2019

1. DATA ANALYSIS INWF ED
CLASS MEETING 13, 2 DECEMBER 2019

2. Extent to which evidence
supports a claim about
cause and effect

3. Extent to which evidence
supports a claim about
cause and effect
ANY INFORMATION PRESENTED
TO SUPPORT AN ASSERTION

4. Extent to which evidence
dismisses alternative
explanations for findings

5. Extent to which evidence
dismisses alternative
explanations for findings
JUSTIFICATIONS FOR A BELIEF

8. A research design is the set of
methods and procedures used in
collecting, organizing, and
analyzing measures of the variables
specified in the problem research.

9. A research design is specified to
minimize threats to conclusion,
internal, and external validity.

10.  O is an observation ( a point of data collection)
of experimental units
 O1 and O2 are observations 1 and 2
 X is a treatment condition (an event or activity)
 X1 and X2 are treatments 1 and 2
 R indicates random assignment of experimental
units to treatment conditions

11. O

12. O
O

13. O
O
Separator shows there
are, in this case, two
groups not by random
assignment

14. O
O
Time

15. X O

16. O X O

17. O1 X O2

18. X O
O

19. O X O
O O

20. R X O
R O

23. DATA ANALYSIS INWF ED
CLASS MEETING 13, 2 DECEMBER 2019