A renewable source of energy is

In order toIn order to test the effects of room temperature on worker productivity, 48 typists were randomly assigned to six groups of eight typists each, ent

and each group was tested at a different room temperature (the independent variable) using dependent measures of typing speed and accuracy. What type of design does this study represent? A) an ex post facto design B) a Solomon four-group design C) a multilevel, completely-randomized, between-subjects design D) a multilevel, randomized within-subjects design

The American beef industry emerged from England's desire to remain competitive with industries in other countries

Indicate whether this statement is true or false.