EDUCATIONAL PSYCHOLOGY

Chapter 14 page 325

Figure 14.4 An example of an diagrammatic representation. After extended discussion, two students
working together have added the arrows shown in red.
Key:

Evidence weakly supports the explanation.

Evidence supports the explanation

Evidence strongly supports the explanation

X

X

Evidence contradicts the explanation

Evidence strongly contradicts the explanation

Evidence neither supports nor contradicts the explanation

Explanation A: Sam is guilty

Evidence 1

Sam Spade’s

blood type is O+,

and O+ blood

was found on the

broken window

of the

convenience

store.

?

Evidence 2

Sam regularly

buys

newspapers in

this store.

Evidence 3

Sam Spade was

observed spending

a large amount of

money at the horse

races the day after

the robbery.

Explanation B: Sam is innocent