- condition…, the observed differences in the dependent variable are directl…, Suppose a researcher finds a correlation of .80 between height…, Threats to internal validity:... -... -histor…, Threats to internal validity:... -maturati…, -maturation... -history... -regression... -attrition... -testing... -instrume…, maturation- the participants change over time (ex: the student…, participants changing over time (ex: the students become adjus…, history- external factor that affects all the participants (ex…, the researcher testing what they intended to test, -Any variable other than the IV that might potentially affect…, Be held constant -... All participants should be similar in age…, -Special class of extraneous variable - they change systematic…, the extent to which a test measures or predicts what it is sup…, to what extent does the study tell us what we think it tells u…, history effects/ maturation effects/ regression to the mean/ t…, defined as the agreement between a test score or measure and t…, it intends to measure what it purports to measure, in 1985, these joint committees published a booklet entitled S…, a booklet that was published in 1985 by a joint committee of t…, extent to which we're confident X is causing Y; continuous, 1. Validity refers to the degree to which a research design measures what it intends to. For example, the reported effect of a year-long, institution-specific program to improve medical resident prescribing and order-writing practices may have been confounded by a selfdirected continuing-education series on medication errors provided to residents by a pharmaceutical firm's medical education liaison. Choose from 500 different sets of validity psychology flashcards on Quizlet. There are several major threats to internal validity. a.…, A set point refers to ____.... a. a very…, c: the maintenance of certain body variables within a fixed ra…, a: a very narrow range that the body works to maintain at a st…, the dependability or consistency of an instrument across time…, a statistical method of observing the degree of relationship b…, A -1.0 or a +1.0 indicates a perfect degree of correlation, 0…, refers to a test measures what it purports to measure, a score may be improperly used for one purpose, but not for an…, We wanna know if validity is sufficient to make use of the tes…, It's possible for a test to have a good validity but have norm…. Two variables being statistically related does not necessarily mean that one causes the other. Terms in this set (24) Lab experiment (experiment) AO1. Revised on July 3, 2020. While external validity deals with the ability of experimental results to generalize to the “real-world” population, ecological validity is possessed when the experimental procedures resemble real-world conditions. Therefore, a researcher must be aware of those factors and protect the integrity of internal validity because with low internal validity comes low power. superrainbowglitter. Internal validity is the extent to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome.1 It also reflects that a given study makes it possible to eliminate alternative explanations for a finding. a test is valid when it measures what it claims to measure. also in Mortality threat Researchers try to. External validity is how well research can be generalized to the real world. Flashcards. (a) training the data collectors to ensure standardization of data collection or instrument administration . exploring the reasons for participants dropping out of a study and then arguing that these reasons were not relevant to the study's results. Students may be alerted by the pretest as to key areas, which might affect effort, emphasis they place on various elements of the text. X precedes Y... 3. no alternative explan…, BLANK BLANK means that subjects attempt to guess at the purpos…, The BLANK BLANK BLANK occurs when subjects intentionally attem…, Subjects in the same trial experience unplanned confounding va…, Some subjects have more personal experience or previously lear…, 1. x and y are correlated... 2. x precedes y... 3. no alternative ex…, 1. longitudinal studies provide evidence that x precedes y... 2.…, Refers to how well a study measures what it sets out to measure, Internal validity (controlling extraneous variables to not let…, Refers to the extent to which the finding a of the study can b…, the extent to which a test measures what it purports to measure, judgement based on evidence about appropriateness of inference…, reasonable boundaries... contemplated usage, the process of gathering and evaluating evidence about validity, Extent to which any changes in the DV can be attributed to man…, Refers to the extent which findings can be generalised to othe…, A variable that may affect the DV but it's not very systematic…, A second variable that unintentionally varies systematically w…, In an independent-groups design, when the two independent vari…, In a repeated-measures design, when the effect of the independ…, An experimental group improves over time only because of natur…, Abnormal Psychology: Validity, Reliability and Bias, extent to which different clinicians using the same classifica…, Extent to which the diagnosis reflects the real nature of the…, relating a pattern of abnormal behavior to a certain category…. 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