Count number of anserwed items of BRS

calculate_brs_n(brs_1, brs_2, brs_3, brs_4, brs_5, brs_6)

Arguments

brs_1

vector for item "I tend to bounce back quickly after hard times.."

brs_2

vector for item "I have a hard time making it through stressful events."

brs_3

vector for item "It does not take me long to recover from a stressful event."

brs_4

vector for item "It is hard for me to snap back when something bad happens."

brs_5

vector for item "I usually come through difficult times with little trouble."

brs_6

vector for item "I tend to take a long time to get over set-backs in my life."

Value

A numeric vector with number of answered questions of BRS