1_Midterms Flashcards
true or false: Control procedures are needed to counteract threats to validity
TRUE
true or false: Every possible control procedure must be included in an experiment if it is to be a valid experiment
False
true or false: Controls are most fully developed at the experimental level of research
true
true or false: External validity concerns the ability to generalize results from a study to a larger population
true
true or false: In a threat to internal validity, it is the dependent variable that is confounded
false
true or false: The threat to external validity is the same as the threat to construct validity
false
true or false: Controls are necessary only at the experimental level of research
false
true or false: When some uncontrolled factor offers an alternative explanation of the results, it is called confidence
false
true or false: Repeating an experiment as nearly as possible to the original is called exact replication
true
true or false: Double-blind procedures will improve external validity
false
true or false: Deception in experimentation is unethical and should never be employed
true
true or false: In psychology, as contrasted with chemistry, subjective measures are preferred in research
false
true or false: Matching procedures are best used when we have a large number of participants
true
true or false: In any experiment, the protection of internal validity is of major importance
true
true or false: Experiments must have at least two levels of independent variable
true
true or false: Descriptive statistics allow the researcher to make inferences about a population based on findings from a sample
false
true or false: A statistic is an index for a characteristic of a sample
true
true or false: The ages of volunteers at a community service center are an example of categorical or nominal data
false
true or false: When researchers state that a finding is statistically significant, they are stating that the researchers rejected the null hypothesis
true
true or false: When indices such as mean or median are calculated from the entire population, they are called statistics
false