To “if, if, if” or to “if, else if, else if, else” [closed]

Answer 1

In terms of readability,

bool Test( SampleType sample )
{
    return SubTest1( sample )
        && SubTest2( sample )
        && SubTest3( sample );
}

is far clearer than either of your options. Otherwise, you definitely want the else to make it clear that once one of the conditions has been met, none of the others will be tested.