Using Campbell and Stanley's notation, an experimental design is illustrated as O1 X1 O2 X2 O3 . This design involves _____ treatment levels

a. one c. three
b. two d. four


B
X denotes a treatment while O denotes an observation.

Psychology

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Briefly describe the strengths and weaknesses of the behavioral approach to personality

What will be an ideal response?

Psychology

In a study in which participants are tricked into believing that they caused harm to someone else, a researcher is obligated to make sure that the participants are told about the true nature of the study before they leave and also must make sure that the participants do not feel badly about their behavior. These two obligations are referred to as

a. informed consent and debriefing. b. debriefing and protection from harm. c. protection from harm and confidentiality. d. confidentiality and informed consent.

Psychology

Beta brain waves are , and alpha brain waves are

a. fast and low-amplitude; slow and rhythmic b. slow and low-amplitude; fast and rhythmic c. fast and high-amplitude; slow and rhythmic d. slow and high-amplitude; fast and rhythmic e. large and rhythmic; slow and rhythmic

Psychology

A researcher decides to study cognitive changes in children by simultaneously studying groups of 3-year-olds, 6-year-olds, 9-year-olds, and 12-year-olds. This researcher is conducting a ______ study

a. cross-sectional c. longitudinal b. strain d. biographical

Psychology