Table 2.

Fitted parameter values for the preferred model of helplessness state change, with upper and lower values for their 95% CIs calculated using the asymptotic normality of maximum-likelihood estimates.

worse mood friends modelbetter mood friends model
parametervaluelower limitupper limitvaluelower limitupper limit
α0.27720.22400.33050.54230.49490.5897
β0.29400.22960.3584−0.4074−0.4625−0.3523
γ0.18890.11320.26460.20960.15970.2596
δ0.53940.48900.58980.24150.19900.2841
ϵ−0.3743−0.4320−0.31670.45910.39560.5226
ζ0.20090.14590.25590.22150.17200.2710