Takrif kronologis yang paling biasa digunakan remaja termasuk umur 10-18, tetapi boleh menggabungkan tempoh 9 hingga 26 tahun bergantung kepada sumber (APA, 2002)
The definition of kronologis the most commonly used teenagers include age 10-18, but can combine period 9 to 26 years depending on the source (what, 2002)
The definition most commonly used in chronological including adolescents aged 10-18, but can incorporate the next 9 to 26 years depending on the source (APA, 2002)