Please answer all questions.

1			Scientific inquiry aims to _______________ the forces that shape our physical and social world.
			A)	understand
			B)	predict
			C)	control
			D)	all of the above.
2			Applied research is designed to __________________________________.
			A)	understand the history and systems of psychology
			B)	increase the understanding of and solutions to real-world problems
			C)	gather knowledge about psychological issues
			D)	develop general theories concerning human behavior
3			An organized system of ideas that seeks to explain two or more events is termed a(n) ___________.
			A)	hypothesis
			B)	basic idea
			C)	theory
			D)	implication theory
4			Of the three central research methods (observational, correlational, and experimental), __________________ is the only one that can demonstrate causality.
			A)	observational
			B)	correlational
			C)	experimental
			D)	they all demonstrate cause and effect
5			A statistical measure of the direction and strength of the linear relationship between two variables is called the _____________.
			A)	correlation coefficient
			B)	scientific correlation number
			C)	coefficient of variables
			D)	linear coefficient
6			_____________ is the type of research that utilizes existing records such as marriage certificates and census data to reveal findings.
			A)	archival research
			B)	case study
			C)	survey research
			D)	systematic observation
7			When conducting surveys, representative samples are obtained through __________.
			A)	whatever populations are available
			B)	random selection
			C)	discriminatory selection
			D)	none of the above
8			Polling organizations seek to minimize the amount of sampling _________ to ensure that their findings generalize to the overall population.
			A)	distribution
			B)	discrimination
			C)	error
			D)	randomization
9			If an experimenter seeks to find the effects of sugar on aggressive behavior and manipulates the amount of sugar the participating subjects receive, the sugar is the _____________.
			A)	dependent variable
			B)	independent variable
			C)	correlational variable
			D)	internal variable
10			When the findings of a study generalize beyond those participating in the study, this is termed _____________ validity.
			A)	internal
			B)	external
			C)	general
			D)	global
11			When false information is given to the participant to hide the nature or purpose of the study, this is known as ___________.
			A)	valid
			B)	reliable
			C)	ethical
			D)	unethical
12			______________ refers to the fact that researchers doing psychological experiments must reveal all known or anticipated risks to potential participants.
			A)	Risk aversion
			B)	Known risk aversion
			C)	Informed consent
			D)	Informal consent
13			Stanley Milgram was the _____________ in his studies.
			A)	confederate
			B)	participant
			C)	experimenter
			D)	sponsor
14			Correlational studies can show ___________.
			A)	linear relationships
			B)	cause and effect
			C)	third variables
			D)	none of the above.
15			The statistical technique used for combining information from many studies is _______________.
			A)	meta-grouping
			B)	meta-reporting
			C)	meta-analysis
			D)	none of the above