After an experiment, research participants are told its purpose and about any deception they may have experienced. What is this procedure called?

When were criminals first used to create a system to catch other criminals

Abrief, "first-step" presentation of a work to be completed is called a

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.