Calculate the customer loyalty index if the customer history is 12, the purchase amount is 38, the desire to repurchase is 50, the product preference is 20, and there is no customer recommendation

Which statement is not true about laboratory experiments?

A) The laboratory environment offers a high degree of control because it isolates the experiment in a carefully monitored environment. B) The artificiality of the environment may cause reactive error, in that the respondents react to the situation itself, rather than to the independent variable. C) Laboratory experiments are likely to have higher external validity than field experiments. D) Laboratory experiments allow for more complex designs than field experiments.

A culture with a preference for a problem-solving style that first settles principles is a pragmatic culture

Indicate whether the statement is true or false