Solved by verified expert :261) The
ability of a test to measure what it is designed to measure is called validity.
262) Professor
King’s test of creativity has a problem in regard to validity because what is
actually being tested is verbal sophistication.
263) A
sample’s representativeness is less critical than its size.
264) A
sample’s size is less critical than its representativeness.
265) Popular
polls often suffer from volunteer bias because those who feel strongly enough
about their opinions may differ from those who remain silent.
266) Computer
technology can help reduce lying on surveys because many people feel more
anonymous when they “talk” to a computer.
267) When
a correlation coefficient indicates a strong relationship between two
variables, one variable is causing the other.
268) An
association between increases in one variable and decreases in the other
variable is called a negative correlation.
269) An
association between increases in one variable and decreases in the other
variable is called a positive correlation.
270) An
association between increases in one variable and decreases in the other
variable indicates that the two variables are uncorrelated.
271) If
variable A predicts variable B, then A is causing B to occur.
272) When
two variables are correlated, one variable may or may not be causing the other.
273) An
experiment is a controlled test of a hypothesis in which the researcher
manipulates one variable to discover its effect on another.
274) A
laboratory observation is a controlled test of a hypothesis in which the
researcher manipulates one variable to discover its effect on another.
275) The
variable that an experimenter manipulates is called the dependent variable.
