In my life: memory, self and The Beatles

Figures & data

Table 1. Descriptive statistics of questionnaire items.

Variables	Mean (sd)	Median (mad)	Age at Encoding Mean (sd)	Age Mean (sd)	Count (%)
Age at Encoding	13.6 (6.92)	13 (4.45)
Like Beatles	3.21 (1.46)	2 (1.48)
Vividness	4.36 (0.83)	5 (0)
Emotional Intensity	4.08 (1.02)	4 (1.48)
Valence	4.29 (1.07)	5 (0)
Rehearsal	3.17 (1.12)	3 (1.48)
Perspective Field					2757 (79%)
Perspective Observer					750 (21%)
Era The Sixties			14.71 (7)	52.58 (12.01)	2115 (60%)
Era The Seventies			11.74 (6)	47.35 (9.5)	764 (22%)
Era The Eighties			12.18 (6.6)	38.2 (8.3)	304 (9%)
Era The Nineties			12.57 (6.6)	28.0 (7.9)	322 (9%)
Era The Noughties			15.5 (6.3)	18.1 (2.09)	2 (0.5%)

Figure 1. Distribution of age at encoding.

Figure 2. Effects of reliable predictors in the AaE model. Results are back-transformed to the original scale (AaE in years). The grey band represents the 95% confidence interval.

Table 2. Age at encoding model summary.

	Age at Encoding
Predictors	Estimates	95% CI	p
(Intercept)	5.90	5.29–6.57
Respondent age	1.01	1.01–1.01	<.001
Gender [Male]	0.99	0.96–1.02	.662
Nationality [British]	1.00	0.97–1.03	.948
Vividness	1.03	1.01–1.05	.012
Emotional intensity	1.04	1.02–1.06	<.001
Valence	0.97	0.95–0.98	<.001
Rehearsal	1.00	0.99–1.02	.788
Perspective [Field]	1.02	0.98–1.06	.286
Observations	3507
R^2/R^2 adjusted	0.123/0.121

Note: coefficients are back-transformed to the original scale (years).

Figure 3. Effects of reliable predictors in the perspective model. Results are back-transformed and represent probabilities of reporting a field perspective. The grey band represents the 95% confidence interval.

Table 3. Perspective taken model summary.

	Perspective [Field]
Predictors	Probabilities	95% CI	p
(Intercept)	0.29	0.19–0.41
Respondent age	0.50	0.50–0.50	.044
Gender [Male]	0.51	0.47–0.55	.731
Vividness	0.58	0.56–0.61	<.001
Emotional intensity	0.50	0.48–0.53	.721
Valence	0.49	0.47–0.51	.547
Rehearsal	0.54	0.52–0.56	<.001
Observations	3347
R^2 Tjur	0.030

Note: the model coefficients have been back-transformed and represent the probability of a respondent reporting a field perspective.

Table A1. Frequency and percentage of participant nationalities.

Nationality	n	%
Albanian	2	0.06
Algerian	1	0.03
American	823	23.47
American Samoan	2	0.06
Andorran	1	0.03
Argentinian	64	1.82
Armenian	3	0.09
Australian	90	2.57
Austrian	8	0.23
Bahamian	1	0.03
Belgian	7	0.20
Bolivian	1	0.03
Brazilian	36	1.03
Bruneian	1	0.03
Bulgarian	1	0.03
Canadian	267	7.61
Channel Islander	1	0.03
Chilean	9	0.26
Chinese	9	0.26
Colombian	5	0.14
Cook Islander	1	0.03
Croatian	2	0.06
Cuban	6	0.17
Cypriot	1	0.03
Czech	2	0.06
Danish	98	2.79
Dutch	10	0.29
Ecuadorian	2	0.06
English	1267	36.13
Filipino	3	0.09
Finnish	15	0.43
French	32	0.91
German	17	0.48
Greek	14	0.40
Guatemalan	3	0.09
Haitian	1	0.03
Hong Kong Chinese	15	0.43
Hungarian	3	0.09
Icelander	1	0.03
Indian	14	0.40
Indonesian	2	0.06
Iranian	1	0.03
Irish	59	1.68
Israeli	4	0.11
Italian	99	2.82
Jamaican	2	0.06
Japanese	3	0.09
Kyrgyz	1	0.03
Lebanese	1	0.03
Lithuanian	2	0.06
Malaysian	3	0.09
Maltese	3	0.09
Mexican	79	2.25
New Zealander	71	2.02
Nicaraguan	1	0.03
Niuean	1	0.03
Northern Irish	23	0.66
Norwegian	11	0.31
Pakistani	1	0.03
Paraguayan	1	0.03
Peruvian	11	0.31
Polish	7	0.20
Portuguese	3	0.09
Puerto Rican	6	0.17
Russian	14	0.40
Salvadorian	4	0.11
Scottish	96	2.74
Serbian	1	0.03
Singaporean	2	0.06
Slovenian	2	0.06
South African	29	0.83
South Korean	6	0.17
Spanish	39	1.11
Sri Lankan	2	0.06
Swedish	6	0.17
Swiss	6	0.17
Tanzanian	1	0.03
Trinidadian/Tobagonian	1	0.03
Turkish	5	0.14
Turks and Caicos Islander	1	0.03
Ukrainian	2	0.06
Uruguayan	6	0.17
Venezuelan	11	0.31
Welsh	39	1.11

Table A2. Spearman correlations between recollective measures.

	Vividness
Vividness	–	AaE
Age of Memory	.21 ***	–	Emotional Intensity
Emotional Intensity	.43 ***	.12 ***	–	Valence
Valence	.25 ***	-.02 ns	.32 ***	–	Rehearsal
Rehearsal	.36 ***	.05 **	.35 ***	.21 ***	–

Notes: Significance codes: < .001***, < .01**; AaE and valence p = .17.

Figure A1. Effects of non-reliable predictors in the AaE model. Results are back-transformed to the original scale (AaE in years). The grey band / whiskers represent the 95% confidence interval.

Figure A2. Effects of non-reliable predictors in the perspective model. Results are back-transformed and represent probabilities of reporting a field perspective. The grey band / whiskers represent the 95% confidence interval.

Data availability statement

The data that support the findings of this study will be available upon request.