(updated 4/25/2005)
How is retention affected by delay of feedback and duration of feedback?
Feedback 6a:
Task:
Vocabulary learning with one encoding session plus three tests (manipulate feedback delay and duration) à retention test after 1 and 7 days.
Stimuli:
36 Swahili-English word-pairs (p. 2, with English words that permit accurate computer coding)
Design:
6 within-subjects learning conditions (3 items per condition):
1. 3 sec duration, 0 sec delay
2. 3 sec duration, 3 sec delay
3. 3 sec duration, 6 sec delay
4. 6 sec duration, 0 sec delay
5. 6 sec duration, 3 sec delay
6. 6 sec duration, 6 sec delay
2 within-subjects RI conditions:
1. 1 day (15 items per condition)
2. 7 days (15 items per condition)
Learning phase:
· Present each item for 5 sec (5 sec x 36 items = 3 min)
· For Test Trials, assume 5 sec to provide answer (but allow unlimited time)
· Test 1: Immediately after presentation, test each item in a random order (36 items x average of 7.5 sec per feedback delay/duration interval + 5 sec to provide answer = 7.5 min).
· Test 2: Immediately after Test 1, repeat Test 1 with items in same condition but tested in a new random order (7.5 min).
· Test 3: Immediately after Test 2, repeat Test 2 with items in same condition but tested in a new random order (7.5 min).
· Assume 3 min for consent and instructions (total time = 28.5 min)
Test phase:
· Test each item in a new random order without feedback
· Test half of items after 1 day (e.g., items 1-18)
· Test remaining half of items after 7 days (e.g., items 19-36)
· Assume 5 sec to provide answer (total time = 3 min)
Stimuli for feedback6a (Tara server à PASHLER LAB à RESOURCES à STIMULI à wordlist à Languages à Swahili à “BigList.xls” à feedback6)
Items will be randomly assigned to a condition for each subject.
|
Item # |
Swahili |
English |
Condition |
RI (days) |
|
1 |
Afu |
Flower |
1 |
1 |
|
2 |
Akari |
Drink |
2 |
1 |
|
3 |
Baraza |
Council |
3 |
1 |
|
4 |
Bendari |
Port |
4 |
1 |
|
5 |
Chaka |
Heat |
5 |
1 |
|
6 |
Chimbi |
Cook |
6 |
1 |
|
7 |
Dama |
Dirt |
1 |
1 |
|
8 |
Dari |
Roof |
2 |
1 |
|
9 |
Fumbi |
Dust |
3 |
1 |
|
10 |
Gashi |
Woman |
4 |
1 |
|
11 |
Gwanda |
Uniform |
5 |
1 |
|
12 |
Hadimu |
Slave |
6 |
1 |
|
13 |
Hayawani |
Animal |
1 |
1 |
|
14 |
Jahazi |
Ship |
2 |
1 |
|
15 |
Jicho |
Eye |
3 |
1 |
|
16 |
Kanzu |
Dress |
4 |
1 |
|
17 |
Kidomo |
Mouth |
5 |
1 |
|
18 |
Kisiwa |
Island |
6 |
1 |
|
19 |
Lango |
Gate |
1 |
7 |
|
20 |
Lumba |
Talk |
2 |
7 |
|
21 |
Majira |
Clock |
3 |
7 |
|
22 |
Maktaba |
Library |
4 |
7 |
|
23 |
Nuru |
Light |
5 |
7 |
|
24 |
Paka |
Cat |
6 |
7 |
|
25 |
Panja |
Temple |
1 |
7 |
|
26 |
Ramia |
Bullet |
2 |
7 |
|
27 |
Randa |
Dance |
3 |
7 |
|
28 |
Sahani |
Plate |
4 |
7 |
|
29 |
Shumusi |
Sun |
5 |
7 |
|
30 |
Toto |
Child |
6 |
7 |
|
31 |
Tufani |
Storm |
1 |
7 |
|
32 |
Ufumbi |
Valley |
2 |
7 |
|
33 |
Uso |
Face |
3 |
7 |
|
34 |
Wakati |
Season |
4 |
7 |
|
35 |
Wimbo |
Song |
5 |
7 |
|
36 |
Zizi |
Stable |
6 |
7 |
Subjects: 400 web-based lottery subjects.
Feedback 6b:
Task:
Fact learning with one encoding session plus three tests (manipulate feedback delay and duration) à retention test after 14 and 90 days.
Stimuli:
36 obscure facts (p. 4, with facts that permit accurate computer coding)
Design:
6 within-subjects learning conditions (3 items per condition):
1. 3 sec duration, 0 sec delay
2. 3 sec duration, 3 sec delay
3. 3 sec duration, 6 sec delay
4. 6 sec duration, 0 sec delay
5. 6 sec duration, 3 sec delay
6. 6 sec duration, 6 sec delay
2 within-subjects RI conditions:
1. 14 days (18 items per condition)
2. 90 days (18 items per condition)
Learning phase:
· Present each item subject-paced (assume 10 sec per item x 36 items = 6 min)
· For Test Trials, assume 5 sec to provide answer (but allow unlimited time)
· Test 1: Immediately after presentation, test each item in a random order (36 items x average of 7.5 sec per feedback delay/duration interval + 5 sec to provide answer = 7.5 min).
· Test 2: Immediately after Test 1, repeat Test 1 with items in same condition but tested in a new random order (7.5 min).
· Test 3: Immediately after Test 2, repeat Test 2 with items in same condition but tested in a new random order (7.5 min).
· Assume 3 min for consent and instructions (total time = 31.5 min)
Test phase:
· Test each item in a new random order without feedback.
· Test half of items after 14 days (e.g., items 1-18)
· Test remaining half of items after 90 days (e.g., items 19-36)
· Assume 5 sec to provide answer (total time = 3 min)
Stimuli for feedback6b (Tara server à Brian_Facts à “PreviousFactsStimuli.xls” à feedback6)
|
Item |
Fact |
Question |
Answer |
|
1 |
The city of Allgood is in Alabama. |
In what U.S. state is the city of Allgood? |
Alabama |
|
2 |
In proportion to its size, the ant has the largest brain
in the animal kingdom. |
In proportion to its size, what animal has the largest
brain in the animal kingdom? |
ant |
|
3 |
Antarctica is the highest continent. |
What is the highest continent? |
Antarctica |
|
4 |
Antimatter was used to power the starship enterprise on
Star Trek. |
What was used to power the starship Enterprise on Star
Trek? |
antimatter |
|
5 |
The balboa is the unit of currency in Panama. |
What is the unit of currency in Panama? |
balboa |
|
6 |
Millard Fillmore installed the first bathtub in the White
House. |
What was first installed in the White House by Millard
Fillmore? |
bathtub |
|
7 |
A whirligig is a type of beetle. |
What type of insect is a whirligig? |
beetle |
|
8 |
The Bible is the most frequently shoplifted book in the
U.S. |
What is the most frequently shoplifted book in the U.S? |
Bible |
|
9 |
The gallbladder is the organ that stores bile. |
What is stored in the gallbladder? |
bile |
|
10 |
"Cargo" was Franklin D. Roosevelt's allied code
name during World War II. |
What was Franklin D. Roosevelt's allied code name during
World War II? |
Cargo |
|
11 |
In China everybody celebrates birthdays on New Year's Day. |
In what country are birthdays celebrated on New Year's
Day? |
China |
|
12 |
General George Custer's childhood nickname was Curly. |
What was General George Custer's childhood nickname? |
Curly |
|
13 |
Damascus is the oldest city in the world. |
What is the oldest city in the world? |
Damascus |
|
14 |
"Dissolve" is a film editing technique whereby
the images of one shot are gradually replaced by another. |
What is the name of the film editing technique whereby
images of one shot are gradually replaced by another? |
dissolve |
|
15 |
Both Julius Caesar and Napoleon Bonaparte suffered from
epilepsy. |
Both Julius Caesar and Napoleon Bonaparte suffered from
what condition? |
epilepsy |
|
16 |
The eyelid is the part of the body most affected by the
condition blepharism. |
What part of the body is most affected by the condition
blepharism? |
eyelid |
|
17 |
The fortune cookie was invented in 1916 by George Jung, a
Los Angeles noodlemaker. |
What type of cookie was invented by George Jung, a Los
Angeles noodlemaker? |
fortune |
|
18 |
A goat is an animal that might be described as hircine. |
What type of animal might be described as hircine? |
goat |
|
19 |
Gold is the only metal that doesn't rust. |
What is the only metal that doesn't rust. |
gold |
|
20 |
The proper name for the heel of a sock is
"gore." |
What is the proper name for the heel of a sock? |
gore |
|
21 |
Grapes are the largest fruit crop in the world. |
What is the largest fruit crop in the world? |
grapes |
|
22 |
The "Hadith" is a collection of teachings by
Muhammad. |
What is the name of the collection of teachings by
Muhammad? |
Hadith |
|
23 |
"Hooker" is the name of the most frequently
stolen street sign in New York City. |
What is the name of the most frequently stolen street sign
in New York City? |
Hooker |
|
24 |
Iodine is the most healing agent found in the ocean. |
What is the most healing agent found in the ocean? |
iodine |
|
25 |
A grasshopper hears through its knees. |
Through what body part does a grasshopper hear? |
knee |
|
26 |
Woody Woodpecker's nephew's name was Knothead. |
What was the name of Woody Woodpecker's nephew? |
Knothead |
|
27 |
Mercury has a year lasting approximately 88 Earth days. |
What planet has a year lasting approximately 88 Earth days |
Mercury |
|
28 |
The TV sitcom family the Munsters lived at 1313 Mockingbird
Lane. |
What TV sitcom family lived at 1313 Mockingbird Lane? |
Munsters |
|
29 |
"O" is the oldest letter of the alphabet. |
What is the oldest letter of the alphabet? |
O |
|
30 |
In Margaret Mitchell's "Gone With the Wind,"
Scarlett O'Hara was originally named Pansy. |
What was the original name of Scarlett O'Hara in Margaret
Mitchell's "Gone With the Wind?" |
Pansy |
|
31 |
In mythology, Pegasus sprang from the blood of Medusa. |
In mythology, who sprang from the blood of Medusa? |
Pegasus |
|
32 |
The ancient Chinese used rice as fishing bait. |
What did ancient Chinese use as fishing bait? |
rice |
|
33 |
In Roman legend, Androcles removed a thorn from the foot
of a lion. |
In Roman legend, what did Androcles remove from the foot
of a lion? |
thorn |
|
34 |
Someone who is a quisling is guilty of treason. |
What crime is a quisling guilty of? |
treason |
|
35 |
Ferdinand Porsche designed the first Volkswagen. |
Ferdinand Porsche designed the first of what type of car? |
Volkswagen |
|
36 |
Calamine, used as an ointment, contains a carbonate of
zinc. |
Calamine, used as an ointment, contains a carbonate of
what element? |
zinc |
Conditions for feedback6b.
Items will be randomly assigned to a condition for each subject.
|
Item # |
Condition |
RI (days) |
|
1 |
1 |
14 |
|
2 |
2 |
14 |
|
3 |
3 |
14 |
|
4 |
4 |
14 |
|
5 |
5 |
14 |
|
6 |
6 |
14 |
|
7 |
1 |
14 |
|
8 |
2 |
14 |
|
9 |
3 |
14 |
|
10 |
4 |
14 |
|
11 |
5 |
14 |
|
12 |
6 |
14 |
|
13 |
1 |
14 |
|
14 |
2 |
14 |
|
15 |
3 |
14 |
|
16 |
4 |
14 |
|
17 |
5 |
14 |
|
18 |
6 |
14 |
|
19 |
1 |
90 |
|
20 |
2 |
90 |
|
21 |
3 |
90 |
|
22 |
4 |
90 |
|
23 |
5 |
90 |
|
24 |
6 |
90 |
|
25 |
1 |
90 |
|
26 |
2 |
90 |
|
27 |
3 |
90 |
|
28 |
4 |
90 |
|
29 |
5 |
90 |
|
30 |
6 |
90 |
|
31 |
1 |
90 |
|
32 |
2 |
90 |
|
33 |
3 |
90 |
|
34 |
4 |
90 |
|
35 |
5 |
90 |
|
36 |
6 |
90 |
Subjects: 400 web-based lottery subjects.