Identify the steps needed to design an experiment
What will be an ideal response?
A good answer would include the following key points:
• Central feature: comparison of the consequences of different treatments.
• The two different experiences are called treatments. (Procedure applied by investigator.)
• Treatment Group: the group receiving the treatment.
• Control Group: does not receive treatment.
• Independent Variable: the variable researchers manipulate in the experiment.
• Dependent Variable: the variable researchers measure in an experiment.
• Participants are assigned to different treatment groups by random assignment.
• Sample: a group of participants chosen for an experiment.
You might also like to view...
According to Sigmund Freud, the Electra complex, the psychosexual conflict that occurs at the phallic stage of development in girls, is characterized by
a. castration anxiety. b. Oedipal conflicts. c. penis envy d. latency lust.
A person with cervical spinal cord damage is known as a _________ and experiences loss of sensation and motor control in the _________.
A. paraplegic; arms and legs B. paraplegic; legs only C. quadriplegic; arms, legs, and torso D. quadriplegic; legs only
Ken is planning on studying the influence of
intelligence on the ability to recall events from the 1960s. If Ken does not account for variables such as age, which could also influence one's ability to recall these events, age could be considered a(n) ________. a) random variable b) dependent variable c) confounding variable d) independent variable
The theories that the mechanical functions of the body simply wear out with age are called the
a) wear-and-tear theories. b) inevitable death theories. c) life expectancy theories. d) genetic programming theories of aging.