A screening method for preparing a laminate by directly bonding a first member and a second member by laser light, the laminate comprising: the first member which contains a first thermoplastic polymer and through which laser light can be transmitted; and the second member which contains a second thermoplastic polymer and that can absorb laser light, wherein the first member is directly bonded to the second member, characterized in that the first member and the second member are selected such that the following formula 1' is satisfied, Wa mN / m > 9 mN / m / J / cm 3 1 / 2 × D J / cm 3 1 / 2 + 45 mN / m wherein D represents a distance between a Hansen solubility parameter of the first thermoplastic polymer of the first member and a Hansen solubility parameter of the second thermoplastic polymer of the second member calculated according to the following formula 2, Wa represents work of adhesion calculated from each surface free energy of the first member and the second member according to the following formula 3, D = 4 × δ d1 − δ d2 2 + δ p1 − δ p2 2 + δ h1 − δ h2 2 1 / 2 wherein δ d1, δ p1, and δ h1 represent a dispersion term, a polarity term, and a hydrogen bond term, respectively, in the Hansen solubility parameter of the first thermoplastic polymer of the first member, δ d2, δ p2, and δ h2 represent a dispersion term, a polarity term, and a hydrogen bond term, respectively, in the Hansen solubility parameter of the second thermoplastic polymer of the second member, Wa = 2 × γ d1 × γ d2 1 / 2 + 2 × γ p1 × γ p2 1 / 2 + 2 × γ h1 × γ h2 1 / 2 wherein γ d1, γ p1, and γ h1 represent a dispersion component, a polarity component, and a hydrogen bond component, respectively, in the surface free energy of the first member, and γ d2, γ p2, and γ h2 represent a dispersion component, a polarity component, and a hydrogen bond component, respectively, in the surface free energy of the second member, wherein δ d1, δ p1, δ h1, δ d2, δ p2, δ h2, γ d1, γ p1, γ h1, γ d2, γ p2, and γ h2 are determined in accordance with the description. the first member which contains a first thermoplastic polymer and through which laser light can be transmitted; and the second member which contains a second thermoplastic polymer and that can absorb laser light, wherein the first member is directly bonded to the second member, characterized in that the first member and the second member are selected such that the following formula 1' is satisfied, Wa mN / m > 9 mN / m / J / cm 3 1 / 2 × D J / cm 3 1 / 2 + 45 mN / m wherein D represents a distance between a Hansen solubility parameter of the first thermoplastic polymer of the first member and a Hansen solubility parameter of the second thermoplastic polymer of the second member calculated according to the following formula 2, Wa represents work of adhesion calculated from each surface free energy of the first member and the second member according to the following formula 3, D = 4 × δ d1 − δ d2 2 + δ p1 − δ p2 2 + δ h1 − δ h2 2 1 / 2 wherein δ d1, δ p1, and δ h1 represent a dispersion term, a polarity term, and a hydrogen bond term, respectively, in the Hansen solubility parameter of the first thermoplastic polymer of the first member, δ d2, δ p2, and δ h2 represent a dispersion term, a polarity term, and a hydrogen bond term, respectively, in the Hansen solubility parameter of the second thermoplastic polymer of the second member, Wa = 2 × γ d1 × γ d2 1 / 2 + 2 × γ p1 × γ p2 1 / 2 + 2 × γ h1 × γ h2 1 / 2 wherein γ d1, γ p1, and γ h1 represent a dispersion component, a polarity component, and a hydrogen bond component, respectively, in the surface free energy of the first member, and γ d2, γ p2, and γ h2 represent a dispersion component, a polarity component, and a hydrogen bond component, respectively, in the surface free energy of the second member, wherein δ d1, δ p1, δ h1, δ d2, δ p2, δ h2, γ d1, γ p1, γ h1, γ d2, γ p2, and γ h2 are determined in accordance with the description.