Answer to Question 1
ANS: C
The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.
In correlational studies little effort is made to manipulate factors in the situation. The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.
Correlation and causation are not synonymous. The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.
The researcher may have a hypothesis. The purpose of a correlational design is to examine relationships between or among two or more variables in a single group.
Answer to Question 2
ANS: B
Control means having the power to direct or manipulate factors to achieve a desired outcome. The researcher uses the controls of matching subjects and random selection.
Causality means that one thing leads to another.
Manipulation is not a form of control, but creates the control through the intervention or treatment. Control means having the power to direct or manipulate factors to achieve a desired outcome.
Nonprobability sampling does not hold random selection or assignment as criteria for participant sampling techniques.
Some organisms used as models in genetic research
Some organisms used as models in genetic research
Characteristics of a Eukaryotic Cell
Characteristics of a Neuron at Rest and During the Different Phases of an Action Potential
Nutrition-related research findings are often lead stories in newspapers, magazines, and on websites
Controlled Scientific Experiments Scientists use experimental research to test hypotheses