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Learning Math Home
Data Session 6, Part C: Comparative Experimental Studies
 
Session 6 Part A Part B Part C Homework
 
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Session 6, Part C:
Comparative Experimental Studies

In This Part: Measuring Short-Term Recall | An Experiment (low-tech) | Experimental Design
Analysis of the Experiment

 

Show the subject the list of non-words (List B). He or she has two minutes to study the list.

 

When two minutes have elapsed, take the list of non-words away from the subject and wait for 20 seconds.

 

The subject then has one minute to recall and write down non-words from the list.

 

Finally, count the number of correct non-words the subject recalled.

Repeat the same sequence for words (List A).

List B:

Non-Words

MZA

LAZ

CTG

OSL

OXC

TNM

VLO

UMN

AVE

HIR

RPK

NYB

GJQ

FKP

DSH

ERI

IHS

PWD

QLJ

BUF

 

List A:

Words

GOT

MOP

EAR

EAT

SAT

CUB

NOW

LOG

BUG

JOT

HOT

LOT

NAP

NOD

CAR

TOP

DOT

SAD

FOG

RUN


 

Problem C3

Solution  

Think about the experiment design you described in Problem C1. Does the process you just went through (studying non-words, then writing non-words; studying words, then writing words) present any additional biases? How might you resolve any biases in your experiment design?


Stop!  Do the above problem before you proceed.  Use the tip text to help you solve the problem if you get stuck.
If you gave someone the same task twice, would you expect them to perform better, worse, or equally well the second time? If you did not answer "equally well," then that presents a source of bias for this experiment.   Close Tip

Next > Part C (Continued): Experimental Design

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