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Test your basic knowledge |
Research Methods
Start Test
Study First
Subject
:
business-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
placebo effect
r
frequency histogram
content validity
2. Occur when the questions asked on a sample survey are confusing or leading
wording effects
random assignment
positive (right) skew
quasi-experiment
3. Association between increases in one variable and decreases in another
negative correlation
double-blind procedure
replication
illusory correlation
4. Measures whether a test looks like it tests what it is supposed to test as determined by a quick look or evaluation by a non expert
correlation
face validity
negative (left) skew
random selection
5. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
random assignment
hindsight bias
inter-rater reliability
confederates
6. A research method that looks like an experiment BUT subjects are not randomly assigned to control and experimental groups (no cause and effect can be drawn)
random assignment
quasi experiment
criterion validity
quasi-experiment
7. Perception of relationship where none exists.
positive (right) skew
illusory correlation
quasi-experiment
wording effects
8. Expectations by researcher that might influence results of experiment or its interpretation
sampling bias
experimenter bias
type one error
mean
9. Method by which participants are misinformed or misled about study's methods and purposes - must be told truth about this in debriefing
construct validity
alternate form reliability
psychological test
deception
10. Relationship that exists when one set of data values increases while the other decreases
negative correlation
ratio data
case study
nominal data
11. A test is divided into 2 halves and scores on the halves are compared to see if test is consistent within itself. Ex. compare odds & evens
split half reliability
r
confederates
random sample
12. Type of line graph that shows frequency distributions
median
validity
frequency polygon
control condition
13. We overestimate our accuracy and our changes of success and ability to predict and explain
replication
overconfidence effect
content validity
ordinal data
14. Variable not relevant to what you are studying that has unplanned effect on DV. It may influence results - but all conditions are effected so it does not create bias.
extraneous variables
random assignment
debriefing
reliability
15. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
alternate form reliability
placebo effect
population
case study
16. Relationship between variables in which as one variable increases - the other also increases - OR as one decreases so does the other. Both variables move in the same direction.
median
positive correlation
alternate form reliability
independent variable
17. If you take the same test 2x's & you get the same results it shows ______ reliability
test-retest reliability
type two error
type one error
scatterplot
18. View that science flourishes through observation and experiment.
mean
empiricism
construct validity
ANOVA
19. When a specific word used in a question affects how respondents answer the question or the order of the questions
wording effects
n
single-blind procedure
ANOVA
20. Not rejecting null hypothesis when in fact we should have rejected it - a false negative
longitudinal research
type two error
standard deviation
positive correlation
21. Correlation where as one variable increases - the other also increases - or as one decreases so does the other. Both variables move in same direction.
hypothesis
normal distribution
positive correlation
positive (right) skew
22. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
debriefing
generalizability
construct validity
placebo effect
23. Experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition - which is assumed to be an active agent.
positive correlation
standard deviation
placebo effect
p<.05
24. Tendency to give socially approved answers to questions about oneself.
deception
social desirability bias
cross-sectional research
sampling bias
25. Most frequently occurring score(s) in a distribution.
mode
controls
ordinal data
test-retest reliability
26. Factors in an experiment that are unchanged for both the control group and the experimental group
controls
single-blind procedure
construct validity
sampling bias
27. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
survey
stratified sample
split half reliability
population
28. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
split half reliability
cohort effects
psychological test
p value
29. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
population
correlation
random sample
naturalistic observation
30. Difference between highest and lowest scores in a distribution.
case study
statistical significance
range
correlation coefficient
31. Procedure for statistically combining results of many different research studies
illusory correlation
meta analysis
controls
case study
32. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
cohort effects
split half reliability
random assignment
standard deviation
33. Change in subject's behavior caused simply by awareness of being studied
criterion validity
test-retest reliability
ordinal data
Hawthorne Effect
34. Testable and falsifiable prediction - often implied by a theory
hypothesis
positive correlation
statistical significance
test-retest reliability
35. Research in which the same people are re-studied and re-tested over a long period
stratified sample
longitudinal research
range
criterion validity
36. Tendency to believe - after learning an outcome - that one would have foreseen it.
scientific method
hindsight bias
wording effects
normal distribution
37. Hypothesis that predicts NO relationship between variables. The aim of research is to reject this hypothesis
extraneous variables
experimental condition
control condition
null hypothesis
38. The probability level which forms basis for deciding if results are statistically significant (not due to chance).
population
criterion validity
split half reliability
p value
39. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
criterion validity
reliability
nominal data
psychological test
40. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to different groups.
positive (right) skew
random assignment
cross-sectional research
alternate form reliability
41. Indication of how likely a result obtained occurred by chance - expressed as p or sig.
statistical significance
content validity
null hypothesis
illusory correlation
42. People of different ages are compared to one another at a single point in time
correlation
cross-sectional research
alternate form reliability
generalizability
43. Results of experiment are SIGNIFICANT - they are not likely caused by chance
content validity
p<.05
alternate form reliability
confederates
44. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
z score
test-retest reliability
n
wording effects
45. In-depth - intensive investigation of individual or small group of people which involves interviews and personal interpretations by researcher. It may also be supplemented with psychological or medical tests
standard deviation
case study
placebo effect
quasi-experiment
46. Rejecting null hypothesis when it is actually true - a false positive
psychological test
ANOVA
statistical significance
type one error
47. Variable that may change in response to manipulations of the IV (what is measured)
dependent variable
psychological test
p<.05
deception
48. Research project designed to discover degree to which two variables are related to each other
correlational study
split half reliability
nominal data
illusory correlation
49. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
social desirability bias
mean
control condition
longitudinal research
50. Procedure that ensures every person in a population has an equal chance of being chosen to participate
meta analysis
hindsight bias
deception
random selection