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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. Association between increases in one variable and decreases in another
confederates
operational definition
extraneous variables
negative correlation
2. Statistical method for making simultaneous comparisons between two or more means
ANOVA
mean
extraneous variables
p value
3. 'Fake subjects' that look & behave like real subjects in study.
extraneous variables
confederates
debriefing
illusory correlation
4. Computed measure of how much scores vary around the mean score.
extraneous variables
correlation coefficient
frequency histogram
standard deviation
5. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
stratified sample
alternate form reliability
control condition
content validity
6. Skewed distribution with many more scores on the higher end of the distribution
stratified sample
scientific method
negative (left) skew
debriefing
7. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
double-blind procedure
frequency histogram
random assignment
ratio data
8. Procedure for statistically combining results of many different research studies
single-blind procedure
meta analysis
normal distribution
split half reliability
9. Research project designed to discover degree to which two variables are related to each other
positive (right) skew
correlational study
random selection
mean
10. Relationship that exists when one set of data values increases while the other decreases
meta analysis
mode
negative correlation
criterion validity
11. Indication of how likely a result obtained occurred by chance - expressed as p or sig.
standard deviation
random sample
extraneous variables
statistical significance
12. Sample that fairly represents a population because each member has an equal chance of inclusion.
z score
random sample
negative correlation
confounding of variables
13. Statement that describes how to measure a particular variable or define a particular term specifically in a study
alternate form reliability
confederates
debriefing
operational definition
14. People of different ages are compared to one another at a single point in time
cross-sectional research
scatterplot
control condition
cohort effects
15. Subset of a population in which every element in the population has an equal chance of being selected
random assignment
wording effects
overconfidence effect
random sample
16. Statistical measure of strength of association between two variables ranging from -1.0 to 1.0
Hawthorne Effect
negative correlation
correlation coefficient
experiment
17. Condition of experiment that exposes participants to treatment - that is - to one version of the IV
controls
hindsight bias
experimental condition
random assignment
18. Most frequently occurring score(s) in a distribution.
statistical significance
interval data
mode
p<.05
19. Variable that may change in response to manipulations of the IV (what is measured)
dependent variable
wording effects
type two error
controls
20. Arithmetic average of a distribution -
content validity
case study
mean
range
21. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
hypothesis
confederates
type one error
psychological test
22. Testable and falsifiable prediction - often implied by a theory
hindsight bias
hypothesis
wording effects
quasi experiment
23. We overestimate our accuracy and our changes of success and ability to predict and explain
overconfidence effect
double-blind procedure
case study
negative correlation
24. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
naturalistic observation
validity
independent variable
random selection
25. Graphed cluster of dots - each of which represents the values of two variables. The slope of the points suggests the direction of the relationship between the two variables.
random selection
scatterplot
ANOVA
cross-sectional research
26. 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
case study
interval data
mode
random assignment
27. Results of experiment are SIGNIFICANT - they are not likely caused by chance
double-blind procedure
p<.05
control condition
cross-sectional research
28. Set of assumptions used to explain phenomena & offered for scientific study
validity
extraneous variables
theory
negative (left) skew
29. Data of categories only. Data cannot be arranged in an ordering scheme. (Gender - Race - Religion)
random selection
dependent variable
confederates
nominal data
30. When a specific word used in a question affects how respondents answer the question or the order of the questions
wording effects
confederates
naturalistic observation
construct validity
31. Occur when the questions asked on a sample survey are confusing or leading
random assignment
deception
control condition
wording effects
32. Statement of procedures used to explain research variables in enough detail to allow for replication
operational definition
type one error
extraneous variables
interval data
33. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
single-blind procedure
Hawthorne Effect
hypothesis
stratified sample
34. If you take the same test 2x's & you get the same results it shows ______ reliability
overconfidence effect
frequency polygon
social desirability bias
test-retest reliability
35. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
ratio data
z score
statistical significance
correlational study
36. Researchers takes subjects & conditions as they naturally occur - with little if any control over what happens. no random assignment so no cause and effect can be determined
negative correlation
case study
quasi-experiment
deception
37. 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
type two error
naturalistic observation
Hawthorne Effect
split half reliability
38. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
interval data
random assignment
double-blind procedure
debriefing
39. View that science flourishes through observation and experiment.
population
alternate form reliability
empiricism
confederates
40. Type of line graph that shows frequency distributions
r
frequency polygon
control condition
cross-sectional research
41. Effects of being born and raised in a particular time or situation where all other members of your group has similar experiences makes your group unique from others
quasi-experiment
Hawthorne Effect
operational definition
cohort effects
42. Extent to which a test measures or predicts what it is supposed to - test accuracy
independent variable
validity
illusory correlation
reliability
43. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
random sample
overconfidence effect
independent variable
inter-rater reliability
44. Skewed distribution where data has many more scores toward the lower end of the distribution
ordinal data
positive (right) skew
correlational study
construct validity
45. Hypothesis that predicts NO relationship between variables. The aim of research is to reject this hypothesis
theory
median
null hypothesis
correlation
46. Any selection method that results in subset of the population (sample) that is not representative - and/or not random
sampling bias
negative correlation
empiricism
operational definition
47. Bell-shaped curve that results when values of a trait in a population are plotted against their frequency
longitudinal research
experiment
normal distribution
survey
48. The tendency for people to behave differently when they know they are being studied
mean
Hawthorne Effect
reliability
frequency histogram
49. A type of reliability - where different versions of same instrument are used and scores are compared
negative (left) skew
alternate form reliability
random assignment
stratified sample
50. Series of steps followed to solve problems including collecting data - formulating a hypothesis - testing the hypothesis - and stating conclusions
replication
scientific method
naturalistic observation
type two error