@article{ref1,
title="Research methods for suicidologists",
journal="Suicide studies",
year="2022",
author="Gunn, John F., III and Lester, David",
volume="3",
number="3",
pages="1-40",
abstract="Detailed Contents  Why we conduct research  Decisions Judging the research of others  Conclusions  The hypothesis  Sources of hypotheses Informal sources Formal sources The advantage of theory specificity  Conclusions  Variables and their measurement  Types of data -Nominal measurement  -Ordinal measurement  -Interval measurement  -Ratio measurement Operational definitions  -Reliability -Test-retest reliability  -Parallel forms  -Split-half reliability  -Item analysis  Validity -Concurrent validity -Predictive validity  -Content validity  -Construct validity Should you devise your own measuring instruments?  Locating psychological tests The reliability and validity of judgments  Conclusions  Choosing subjects for the research  -Nonrandom samples -Stratified random samples -Systematic sampling -Availability sampling -Generalization and replication -Biases introduced by the choice of subjects Conclusions  Correlational research designs  -Cause-and-effect -Calculating correlational statistics -A case study  -Conclusions  Experimental research designs  -The independent variable -Mixed designs -Pilot studies -Statistical analysis  -Conclusions  Drawing conclusions from research  -The logic of statistics -Conclusions  Ethical guidelines for research  -Who is in charge and who approves the research? -Informed consent -Psychological tests -After the experimental procedure  Writing a research report  -Introduction -Method -Results -Discussion  References<p /> <p>Language: en</p>",
language="en",
issn="2771-3415",
doi="",
url="http://dx.doi.org/"
}