# Important numbers & statistics for Unit 1

0.0 / 5

HideShow resource information

- Created by: Holly Jackson
- Created on: 08-05-15 19:01

What is the capacity of the short term memory?

7+/-2 bits of information

1 of 66

What is the duration of the short term memory?

18-30 seconds

2 of 66

In JACOBS study, what was the average number of digits recalled?

9.3 items

3 of 66

In JACOBS study, what was the average number of letters recalled?

7.3 items

4 of 66

In JACOBS study, what was the average score for 8-year-old children?

6.6 items

5 of 66

In JACOBS' study, what was the average score for a 19-year-old?

8.6 items

6 of 66

In PETERSON'S study, what were the time intervals tested?

3,6,9,12,15 or 18 seconds

7 of 66

In PETERSON'S study, what was the % success rate at 3 seconds?

80%

8 of 66

In PETERSON'S study, what was the % success rate at 6 seconds?

40%

9 of 66

In PETERSON'S study, what was the % success rate at 18 seconds?

10%

10 of 66

In BAHRICK'S study, how many p's were used?

392 ex-high school students

11 of 66

In BAHRICK'S study, what was the range of time since p's had graduated?

2 weeks - 57 years

12 of 66

In BAHRICK'S study, what was the % success rate after 15 years in the free recall?

60%

13 of 66

In BAHRICK'S study, what was the % success rate after 35 years in the free recall?

30%

14 of 66

In BAHRICK'S study, what was the % success rate after 15 years in the name recognition?

90%

15 of 66

In BAHRICK'S study, what was the % success rate after 35 years in the name recognition?

70%

16 of 66

In BAHRICK'S study, what was the % success rate after 15 years in the photo recognition?

90%

17 of 66

In BAHRICK'S study, what was the % success rate after 35 years in the photo recognition?

80%

18 of 66

In LOFTUS' study, how many photos were p's shown?

50

19 of 66

In LOFTUS' study, what was the % success rate for the high anxiety condition?

33%

20 of 66

In LOFTUS' study, what was the % success rate for the low anxiety condition?

49%

21 of 66

In CHRISTIANSON & HUBINETTE'S study, how many p's were there?

58 real witnesses

22 of 66

In CHRISTIANSON & HUBINETTE'S study, for how long afterwards did the eye witness testimonies stay accurate?

15 months

23 of 66

In YUILLE & CUTSHALL'S study, how many p's were there?

13 witnesses

24 of 66

In YUILLE & CUTSHALL'S study, for how long afterwards did the eye witness testimonies stay accurate?

4 months

25 of 66

In LOFTUS & PALMER'S study, how many p's were used?

43 students

26 of 66

In LOFTUS & PALMER'S study, how long did the clips last?

5-30 seconds

27 of 66

In LOFTUS & PALMER'S study, how many clips were shown?

7 clips

28 of 66

In LOFTUS & PALMER'S study, what was the average speed estimated when the word "smashed" was used?

40.8 mph

29 of 66

In LOFTUS & PALMER'S study, what was the average speed estimated when the word "contacted" was used?

31.8 mph

30 of 66

In LOFTUS & PALMER'S study, how many p's believed there was broken glass, when the word "smashed" was used?

16 out of 50

31 of 66

In LOFTUS & PALMER'S study, how many p's believed there was broken glass, when the word "hit" was used?

7 out of 50

32 of 66

In LOFTUS & PALMER'S study, how many p's in the control group believed there was broken glass?

6 out of 50

33 of 66

In a META-ANALYSIS into cognitive interviews, how many studies were compared?

53 studies

34 of 66

In a META-ANALYSIS into cognitive interviews, what was the difference in % recall?

34% increase

35 of 66

In FISHER ET AL'S study, how many p's were used?

16 detectives

36 of 66

In FISHER ET AL'S study, how many months were standard interviews recorded for?

4 months

37 of 66

In FISHER ET AL'S study, how many standard interviews were collected?

88 interviews

38 of 66

In FISHER ET AL'S study, how many training sessions did detectives attend and for how long?

4 x 1 hour sessions

39 of 66

In FISHER ET AL'S study, what was the % change in the amount of accurate information obtained?

63% increase

40 of 66

In AINSWORTH & BELL'S study, what % of US infants were securely attached?

70%

41 of 66

In AINSWORTH & BELL'S study, what % of US infants had insecure avoidant attachments?

20%

42 of 66

In AINSWORTH & BELL'S study, what % of US infants had insecure resistant attachments?

10%

43 of 66

In IJZENDOORN & KROONENBURG'S meta-analysis, how many studies were used?

32 studies

44 of 66

In IJZENDOORN & KROONENBURG'S meta-analysis, how many children were studied?

over 2000

45 of 66

In IJZENDOORN & KROONENBURG'S meta-analysis, what was the difference between variation within culture and variation between cultures?

1.5 greater

46 of 66

In IJZENDOORN & KROONENBURG'S meta-analysis, how many Japanese infants were securely attached?

68%

47 of 66

In IJZENDOORN & KROONENBURG'S meta-analysis, how many West German infants, had insecure avoident attachments?

35%

48 of 66

In BOWBLY'S study, how many thieves were interviewed?

44 thieves

49 of 66

In BOWBLY'S study, how many thieves had suffered maternal deprivation?

over 50%

50 of 66

In BOWBLY'S study, how many of the control group had suffered maternal deprivation?

only 2

51 of 66

In BOWBLY'S study, how many thieves had been diagnosed affectionless psychopaths?

32%

52 of 66

In BOWBLY'S study, how many of the control group had been diagnosed affectionless psychopaths?

none

53 of 66

In HODGES & TIZARD'S study, how many children had been placed in an institution?

65 children

54 of 66

In HODGES & TIZARD'S study, how many children had been rehomed by 4?

15 children

55 of 66

In HODGES & TIZARD'S study, how many children had been adopted?

24 children

56 of 66

In HODGES & TIZARD'S study, what ages were children studies at?

4,8 and 16 years old

57 of 66

In HODGES & TIZARD'S study, what was the attrition?

40%

58 of 66

In RUTTER ET AL'S study, how many orphans were studies?

100 Romanian orphans

59 of 66

In RUTTER ET AL'S study, what ages were the children studies at?

4,6 and 11 years old

60 of 66

In NICHD'S study, how many children were studied and how old were they?

over 1000 children, aged 5 years old

61 of 66

In NICHD's study, how many times more likely were full time children to show behavioral problems than part time?

3 times more likely

62 of 66

In BELSKY'S study, what % of children spending over 30 hours were aggressive towards peers?

17%

63 of 66

In BELSKY'S study, what % of children spending under 10 hours were aggressive towards peers?

6%

64 of 66

In SHEA'S study, how old were the children studied?

3-4 years old

65 of 66

In SHEA'S study, how long did it last?

10 weeks

66 of 66

## Other cards in this set

### Card 2

#### Front

What is the duration of the short term memory?

#### Back

18-30 seconds

### Card 3

#### Front

In JACOBS study, what was the average number of digits recalled?

#### Back

### Card 4

#### Front

In JACOBS study, what was the average number of letters recalled?

#### Back

### Card 5

#### Front

In JACOBS study, what was the average score for 8-year-old children?

#### Back

## Similar Psychology resources:

0.0 / 5

0.0 / 5

5.0 / 5

Teacher recommended

2.5 / 5

## Comments

No comments have yet been made