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Ch. 8-9 Crossword: Quantitative Research, Populations & Samples

Horizontales
Study designs that examine variables as they naturally occur; no treatment; correlational and descriptive
___correlational design; aims to predict the value of one variable by measuring the values obtained for others.
"__ validity"; fit between conceptual and operational definitions of the variables
Multiple causes for an effect
Consequence of selecting subjects who differ in some specific way from the population; a form of bias
"__conclusion validity"; examines whether the study conclusions are an accurate reflection of reality.
Particular group of individuals who are the focus of the research
Testing design that requires a large, heterogeneous sample to measure all the relevant concepts and relationships between concepts.
Verticales
Extending the findings from the sample to the larger population
"__ __"; Are the effects noted by the study an accurate reflection of reality or the result of extraneous variables?
Study design that collects data from the same subjects at different points in time
Weak sampling technique; little opportunity to control for bias
Type of random sampling technique in which the researcher knows some of the population variables that are important for achieving representative-ness.
As the number of variables increase, __ size should also increase.
Ability of the study to detect differences or relationships that actually exist in the population.