Practical Investigation

Question 1

What was the aim of my cognitive practical investigation?

Answer 1

To investigate recall of acoustically similar and dissimilar words in the STM.

Question 2

What was the independent variable of my cognitive practical investigation?

Answer 2

IV: Type of word list (acoustically similar or dissimilar)

Question 3

What was the dependent variable of my cognitive practical investigation?

Answer 3

Word list recall score after 10 seconds.

Question 4

What was the controls for my cognitive practical investigation?

Answer 4

Ppts asked to complete the study in silence as noise levels could distract others.

Question 5

What was the hypothesis of my cognitive practical investigation?

Answer 5

Acoustically similar words will be easier to recall and score a higher word recall score compared to acoustically dissimilar words.

Question 6

What is the null hypothesis of my cognitive practical investigation?

Answer 6

There will be no difference between AS and AD, if there is it’s down to chance.

Question 7

What was the sampling type of my cognitive practical investigation?

Answer 7

Opportunity

Question 8

What was the design of my cognitive practical investigation?

Answer 8

Repeated measures design

Question 9

Describe the procedure of my cognitive practical investigation?

Answer 9

1. Ppts presented with list A on board for 10 seconds.
2. Words removed for 10 seconds
3. Ppts asked to recall as many words as possible
4. Test recreated but with List B

Question 10

What was the conclusion of my cognitive practical investigation?

Answer 10

Acoustically similar words are recalled easier than acoustical dissimilar meaning STM= Acoustic

Question 11

Evaluate the G of your cognitive practical investigation?

Answer 11

Low: Small sample of children
Results might be age-locked so not generalisable to the whole population.

Question 12

Evaluate the R of your cognitive practical investigation?

Answer 12

Standardised procedure:
Ppts received same word list for same amount of time.

Question 13

What is the A of your cognitive practical investigation?

Answer 13

Supports Baddeleys study that stm=acoustic

Question 14

Evaluate the V of your cognitive practical investigation?

Answer 14

Low: Control over extraneous variables (Noise)
Outside noises may have distracted participants affecting their recall.

Question 15

Evaluate the ethics of your cognitive practical investigation?

Answer 15

High:
Specified aim at end of procedure and gave ppts right to withdraw.