Dr Webb Designs a Research Study in Which the Subjects

question 168

Multiple Choice

Dr. Webb designs a research study in which the subjects and the individuals who interact directly with them do not know who in is the control group and who is in the experimental group. Dr. Webb probably chose this type of research design in order to

• A)avoid the need to obtain ethics approval for the study.
• B)minimize the possibility of self-report bias.
• C)ensure that her sample is not biased.
• D)reduce the impact of experimenter bias.

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Definitions:

Semispinalis Thoracis

A muscle in the back that extends the thoracic spine and contributes to the rotation and extension of the vertebral column.

Longus Capitis

A muscle in the neck that flexes the head and neck towards the chest, aiding in movement and stabilization.

Quadratus Lumborum

A deep muscle in the lower back that flexes the spine and helps with lateral movement and stabilization.

Transverse Process

Lateral bony projections off the vertebrae to which muscles and ligaments attach, aiding in spinal movement and stability.