Exam 2 Study Quiz - Intro Into Research Methods
The principle of parsimony holds that...
A theory should include only as many concepts as are necessary to explain or interpret the phenomena of interest.
An extraneous variable that differs on average across levels of the independent variable is referred to as a...
Confounding variable
Participants are asked questions to determine their attitude towards gun control. The experimenter strongly supports gun control which might lead to a variation in results. This is called the...
Experimenter expectancy effect
In a between-subjects experiment, each participant is tested under all conditions.
False
Which of the following is NOT a common psychometric measure?
Free association measures
An example of a physiological measure would be...
Heart Rate
Which of the following would NOT be considered a psychological construct?
Heart Rate
A researcher observes a phenomenon. She then chooses a theory that offers a possible explanation. She generates a hypothesis that should be confirmed it that theory is true. To test the hypothesis, she conducts an empirical study. This researcher is using the:
Hypothetico-deductive method
Cronbach's alpha and split-half correlations are the most common ways to determine...
Internal consistency
A researcher is assigning participants to categories by occupation. Which level of measurement is he using?
Nominal level
A definition of a variable in terms of precisely how it is to be measured is referred to as a(n)...
Operational definition
"Converging operations" means that...
Psychologists use multiple operational definitions of the same construct — either within a study or across studies.
Participants' weight is measured in kilograms. This is an example of which level of measurement?
Ratio level
Piaget's theory of cognitive development is an example of a...
Stage theory
Reliability refers to...
The consistency of a measure
What is criterion validity?
The extent to which people's scores on a measure are correlated with other variables that one would expect them to be correlated with.
Which term describes the extent to which the scores from a measure represent the variable they are intended to?
Validity
The different levels of the independent variable in an experiment are called...
conditions
Testing participants in different orders is referred to as________ and presents a solution to __________ effects.
counterbalancing / carryover
Election polls that accurately predict from a small sample how the population voted have a lot of...
external validity
Psychoanalysis is a...
theoretical perspective
Most theories of personality are...
typologies