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. 2019 Jun 25;11:153. doi: 10.3389/fnagi.2019.00153

Table 4.

Hits and false alarms on watching news and commercials in young adults (YA) and older adults (OA).

YA (n = 21) OA (n = 20)
M ± SD M ± SD t p Cohen’s d
News
Hits1 28.38 ± 2.27 26.40 ± 3.07 2.359 0.023 0.73
FA2 12.33 ± 4.45 14.55 ± 6.22 −1.317 0.195 0.41
Subjective Difficulty3 3.48 ± 0.81 2.84 ± 0.90 2.343 0.024 0.75
Hits subjective4 43.71 ± 11.80 43.56 ± 13.47 0.035 0.972 0.01
FA subjective4 20.29 ± 8.09 19.17 ± 6.99 0.419 0.678 0.15
Commercials
Hits1 29.33 ± 2.82 26.10 ± 3.24 3.413 0.002 1.06
FA2 10.76 ± 4.88 11.85 ± 4.64 −0.731 0.469 0.23
Subjective Difficulty3 2.71 ± 0.72 3.26 ± 0.87 −2.183 0.035 0.69
Hits subjective4 48.50 ± 10.43 39.61 ± 18.05 1.748 0.091 0.60
FA subjective4 21.14 ± 8.38 18.17 ± 8.32 1.001 0.325 0.36

Legend: FA, false alarms; OA, older adults; YA, young adults. 1Hits as a sum of correct answers to original and reversed statements (see Table 1), total of 36 items; 2Total of 36 items; 3Difficulty measured on a 5-Point Likert Scale; 4Participants’ subjective estimates of the number of correct responses (hits and correct rejections) and false alarms out of 72 items.