Exam 7: The Basics of Experimentation

Operational Definitions ____ operational definitions explain the meaning of independent variables.

Independent and Dependent Variables ____ are participant characteristics that an experimenter cannot manipulate.

Independent and Dependent Variables In a true experiment, an experimenter ____ the independent variable and ____ the dependent variable.

Independent and Dependent Variables Whether a variable is an independent or dependent variable in an experiment depends on

Independent and Dependent Variables Which of the following could serve as a task variable in an experiment?

Operational Definitions Which of the following specifies the exact steps used to create each value of the independent variable?

Evaluating Operational Definitions Heath participated in a study of the effect of meditation on blood pressure.Since he had never used a self-inflating cuff, he was afraid that the cuff would keep inflating and cut off blood to his arm.This fear caused his blood pressure to rise when he was measured during the pretest phase of the experiment.The experimenter also measured Heath's blood pressure after meditation training during the posttest phase.Since he was now used to the self-inflating cuff, his blood pressure was lower due to lack of panic.Based on Heath's experience, a ____ threat may have confounded this experiment.

Introduction In order to conduct a psychology experiment, a researcher must create at least ___ treatment condition(s).

Introduction An experimenter ____ values of the independent variable in an experiment.

Independent and Dependent Variables Which of the following could function as an environmental variable in an experiment?

Independent and Dependent Variables ____ are aspects of the experimental procedure that the researcher directly controls.

Operational Definitions A panel of beer drinkers participated in a blind taste test in which each participant ranked craft brews from first to fifth place.Which scale of measure did the contestants use?

Operational Definitions Schachter (1959) scored his subjects' desire to affiliate by instructing them to check off their preferences on a questionnaire, which he described in detail in his report.These instructions and his description of the questionnaire comprised the ____ for his experiment.

Operational Definitions _____exactly describe the procedures used to assess the impact of different treatment conditions.

Independent and Dependent Variables The ____ is the specific behavior we expect to change due to our experimental intervention.

Evaluating Operational Definitions A longitudinal study that observes first-born children's behavior before and after the birth of a sibling is particularly vulnerable to a ____ threat since rapid cognitive and physical change normally occur at this age.

Independent and Dependent Variables Investigation of ____ would require that an experimenter use an ex post facto design.

Operational Definitions Mack claims to have a revolutionary way to measure intelligence.He places a cloth tape around a subject's forehead and calculates the circumference.This procedure is a(n) ____ operational definition of intelligence.

Operational Definitions Variables like anxiety cannot be directly observed and must be inferred from Observable behaviors.These variables are called

Evaluating Operational Definitions Jay's experiment was a disaster.He assigned the most attractive female subjects to the experimental condition and then lost several of them due to his shameless flirting.In contrast, he lost none of the control subjects.Jay endangered his experiment with a ____ threat.