{"id":34,"date":"2023-01-19T17:09:44","date_gmt":"2023-01-19T17:09:44","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/chapter\/reading-clinical-or-case-studies\/"},"modified":"2025-10-31T15:48:04","modified_gmt":"2025-10-31T15:48:04","slug":"reading-clinical-or-case-studies","status":"publish","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/chapter\/reading-clinical-or-case-studies\/","title":{"raw":"Types of Research: Learn It 1\u2014Descriptive, Experimental, and Correlational Research","rendered":"Types of Research: Learn It 1\u2014Descriptive, Experimental, and Correlational Research"},"content":{"raw":"<section class=\"textbox learningGoals\">\r\n<ul>\r\n\t<li>Differentiate between types of research (descriptive, experimental, and correlational)<\/li>\r\n\t<li>Explain the strengths and weaknesses of different types of research (case studies, naturalistic observation, and surveys)<\/li>\r\n\t<li>Explain the strengths and weaknesses of different types of research (archival, longitudinal, and cross-sectional research)<\/li>\r\n<\/ul>\r\n<\/section>\r\n<h2><b>Types of Research<\/b><\/h2>\r\n<p class=\"p3\">Psychologists use a variety of research methods to understand, describe, and explain behavior\u2014as well as the cognitive and biological processes that shape it.<\/p>\r\n<p class=\"p4\"><span class=\"s2\">Some methods involve <\/span><b>direct observation<\/b><span class=\"s2\">, while others rely on <\/span><b>surveys, interviews, or controlled experiments<\/b><span class=\"s2\">.<\/span><\/p>\r\n<p class=\"p3\">Each approach contributes to our understanding of human behavior but comes with its own strengths and limitations.<\/p>\r\n<h3><b>Three Main Categories of Psychological Research<\/b><\/h3>\r\n<p class=\"p3\">Psychological research is typically grouped into three broad categories: <span class=\"s3\"><b>descriptive<\/b><\/span>, <span class=\"s3\"><b>correlational<\/b><\/span>, and <span class=\"s3\"><b>experimental<\/b><\/span> research.<\/p>\r\n<h3><b>1. Descriptive Research<\/b><\/h3>\r\n<p class=\"p3\"><span class=\"s3\"><b>Descriptive research<\/b><\/span> focuses on <span class=\"s3\"><b>observing and describing<\/b><\/span> behavior without testing specific relationships between variables.<\/p>\r\n<p class=\"p3\">It helps psychologists gather rich, detailed information about what people do, think, or feel in a particular context.<\/p>\r\n<ul>\r\n\t<li class=\"p1\"><span class=\"s1\"><b>Example:<\/b><\/span> A psychologist records how children interact on a playground to study peer influence without trying to change or control any behavior.<\/li>\r\n\t<li class=\"p1\"><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\"><strong>Strength<\/strong>: Descriptive research is especially valuable when an experiment would be <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">unethical, impractical, or premature<\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">.<\/span><\/li>\r\n\t<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Limitations: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Because it doesn\u2019t test cause-and-effect relationships, it can be difficult to generalize findings to larger populations.<\/span><\/li>\r\n<\/ul>\r\n<h3><b>2. Correlational Research<\/b><\/h3>\r\n<p class=\"p4\"><b>Correlational research<\/b><span class=\"s2\"> examines whether and how <\/span><b>two or more variables are related<\/b><span class=\"s2\">.<\/span><\/p>\r\n<p class=\"p3\">Researchers collect data on these variables and analyze whether changes in one are associated with changes in the other.<\/p>\r\n<ul>\r\n\t<li class=\"p1\"><span class=\"s1\"><b>Example:<\/b><\/span> Researchers explore whether students who eat breakfast perform better in morning classes.<\/li>\r\n\t<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Strength: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">It allows researchers to identify meaningful <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">relationships<\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\"> between variables in natural settings.<\/span><\/li>\r\n\t<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Limitation: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Correlation does <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\"><b>not imply causation<\/b><\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">\u2014even if two things occur together, one does not necessarily cause the other.<\/span><\/li>\r\n<\/ul>\r\n<p class=\"p3\">Correlational and experimental research both involve <span class=\"s3\"><b>hypothesis testing<\/b><\/span>, but descriptive research does not.<\/p>\r\n<h3><b>3. Experimental Research<\/b><\/h3>\r\n<p class=\"p4\"><b>Experimental research<\/b><span class=\"s2\"> is the <\/span><b>only method that can establish cause-and-effect relationships<\/b><span class=\"s2\">.<\/span><\/p>\r\n<p class=\"p3\">Researchers manipulate one or more <span class=\"s3\"><b>independent variables<\/b><\/span> and measure their effects on <span class=\"s3\"><b>dependent variables<\/b><\/span>, while controlling other factors that could influence the results.<\/p>\r\n<ul>\r\n\t<li class=\"p1\"><span class=\"s1\"><b>Example:<\/b><\/span> Participants are randomly assigned to a <span class=\"s1\">sleep-deprived<\/span> or <span class=\"s1\">well-rested<\/span> group, then tested on a memory task. The researchers compare their performance to determine whether lack of sleep causes poorer memory.<\/li>\r\n\t<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Strength: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">This method provides strong evidence for <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">causal relationships<\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">.<\/span><\/li>\r\n\t<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Limitations: <\/b>Experiments can be conducted in <span class=\"s1\">artificial lab settings<\/span>, raising questions about real-world applicability (known as <span class=\"s1\">ecological validity<\/span>).<\/li>\r\n<\/ul>\r\n<p class=\"p1\">Some questions cannot be tested experimentally due to <span class=\"s1\"><b>ethical concerns<\/b><\/span>\u2014for instance, exposing participants to harm or trauma.<\/p>\r\n<section class=\"textbox keyTakeaway\">\r\n<h3>Types of Research Overview<\/h3>\r\n<p>&nbsp;<\/p>\r\n<table style=\"border-collapse: collapse; width: 94.8862%;\" border=\"1\">\r\n<tbody>\r\n<tr>\r\n<td style=\"text-align: left; width: 86.6729%;\" colspan=\"3\"><strong>Table 1. Descriptive, Experimental, and Correlational Research<\/strong><strong><br \/>\r\n<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<th style=\"width: 24.326%;\">\r\n<p class=\"p1\"><b>Research Design<\/b><\/p>\r\n<\/th>\r\n<th style=\"width: 28.755%;\">\r\n<p class=\"p1\"><b>Main Purpose<\/b><\/p>\r\n<\/th>\r\n<th style=\"width: 33.5919%;\">\r\n<p class=\"p1\"><b>Example<\/b><\/p>\r\n<\/th>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 24.326%;\">\r\n<p class=\"p1\"><b>Descriptive<\/b><\/p>\r\n<\/td>\r\n<td style=\"width: 28.755%;\">\r\n<p class=\"p1\">Observes and describes behavior without testing relationships between variables<\/p>\r\n<\/td>\r\n<td style=\"width: 33.5919%;\">\r\n<p class=\"p1\">A psychologist observes children on a playground to study peer influence.<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 24.326%;\">\r\n<p class=\"p1\"><b>Correlational<\/b><\/p>\r\n<\/td>\r\n<td style=\"width: 28.755%;\">\r\n<p class=\"p1\">Tests whether a relationship exists between two or more variables<\/p>\r\n<\/td>\r\n<td style=\"width: 33.5919%;\">\r\n<p class=\"p1\">Researchers examine the link between self-esteem and academic achievement.<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 24.326%;\">\r\n<p class=\"p1\"><b>Experimental<\/b><\/p>\r\n<\/td>\r\n<td style=\"width: 28.755%;\">\r\n<p class=\"p1\">Determines whether one variable causes a change in another<\/p>\r\n<\/td>\r\n<td style=\"width: 33.5919%;\">\r\n<p class=\"p1\">Researchers test the effects of sleep deprivation on memory performance.<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<p>&nbsp;<\/p>\r\n<\/section>\r\n<p class=\"p1\">Each research type offers a <span class=\"s1\">unique lens<\/span> for studying human behavior:<\/p>\r\n<ul>\r\n\t<li class=\"p1\"><span class=\"s1\">Descriptive<\/span> methods capture rich details of real life.<\/li>\r\n\t<li class=\"p1\"><span class=\"s1\">Correlational<\/span> methods reveal patterns and relationships.<\/li>\r\n\t<li class=\"p1\"><span class=\"s1\">Experimental<\/span> methods test cause and effect under controlled conditions.<\/li>\r\n<\/ul>\r\n<p class=\"p1\">In practice, psychologists often <span class=\"s1\">combine these approaches<\/span> to strengthen their findings and ensure that results are both valid and applicable to real-world situations.<\/p>\r\n<p>These next few pages will take a closer look at descriptive research methods\u2014including case studies, naturalistic observation, and surveys\u2014before exploring correlational and experimental designs in more detail.<\/p>\r\n<section class=\"textbox tryIt\">[ohm2_question height=\"450\"]3305[\/ohm2_question]<\/section>","rendered":"<section class=\"textbox learningGoals\">\n<ul>\n<li>Differentiate between types of research (descriptive, experimental, and correlational)<\/li>\n<li>Explain the strengths and weaknesses of different types of research (case studies, naturalistic observation, and surveys)<\/li>\n<li>Explain the strengths and weaknesses of different types of research (archival, longitudinal, and cross-sectional research)<\/li>\n<\/ul>\n<\/section>\n<h2><b>Types of Research<\/b><\/h2>\n<p class=\"p3\">Psychologists use a variety of research methods to understand, describe, and explain behavior\u2014as well as the cognitive and biological processes that shape it.<\/p>\n<p class=\"p4\"><span class=\"s2\">Some methods involve <\/span><b>direct observation<\/b><span class=\"s2\">, while others rely on <\/span><b>surveys, interviews, or controlled experiments<\/b><span class=\"s2\">.<\/span><\/p>\n<p class=\"p3\">Each approach contributes to our understanding of human behavior but comes with its own strengths and limitations.<\/p>\n<h3><b>Three Main Categories of Psychological Research<\/b><\/h3>\n<p class=\"p3\">Psychological research is typically grouped into three broad categories: <span class=\"s3\"><b>descriptive<\/b><\/span>, <span class=\"s3\"><b>correlational<\/b><\/span>, and <span class=\"s3\"><b>experimental<\/b><\/span> research.<\/p>\n<h3><b>1. Descriptive Research<\/b><\/h3>\n<p class=\"p3\"><span class=\"s3\"><b>Descriptive research<\/b><\/span> focuses on <span class=\"s3\"><b>observing and describing<\/b><\/span> behavior without testing specific relationships between variables.<\/p>\n<p class=\"p3\">It helps psychologists gather rich, detailed information about what people do, think, or feel in a particular context.<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Example:<\/b><\/span> A psychologist records how children interact on a playground to study peer influence without trying to change or control any behavior.<\/li>\n<li class=\"p1\"><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\"><strong>Strength<\/strong>: Descriptive research is especially valuable when an experiment would be <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">unethical, impractical, or premature<\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">.<\/span><\/li>\n<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Limitations: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Because it doesn\u2019t test cause-and-effect relationships, it can be difficult to generalize findings to larger populations.<\/span><\/li>\n<\/ul>\n<h3><b>2. Correlational Research<\/b><\/h3>\n<p class=\"p4\"><b>Correlational research<\/b><span class=\"s2\"> examines whether and how <\/span><b>two or more variables are related<\/b><span class=\"s2\">.<\/span><\/p>\n<p class=\"p3\">Researchers collect data on these variables and analyze whether changes in one are associated with changes in the other.<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Example:<\/b><\/span> Researchers explore whether students who eat breakfast perform better in morning classes.<\/li>\n<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Strength: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">It allows researchers to identify meaningful <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">relationships<\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\"> between variables in natural settings.<\/span><\/li>\n<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Limitation: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Correlation does <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\"><b>not imply causation<\/b><\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">\u2014even if two things occur together, one does not necessarily cause the other.<\/span><\/li>\n<\/ul>\n<p class=\"p3\">Correlational and experimental research both involve <span class=\"s3\"><b>hypothesis testing<\/b><\/span>, but descriptive research does not.<\/p>\n<h3><b>3. Experimental Research<\/b><\/h3>\n<p class=\"p4\"><b>Experimental research<\/b><span class=\"s2\"> is the <\/span><b>only method that can establish cause-and-effect relationships<\/b><span class=\"s2\">.<\/span><\/p>\n<p class=\"p3\">Researchers manipulate one or more <span class=\"s3\"><b>independent variables<\/b><\/span> and measure their effects on <span class=\"s3\"><b>dependent variables<\/b><\/span>, while controlling other factors that could influence the results.<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Example:<\/b><\/span> Participants are randomly assigned to a <span class=\"s1\">sleep-deprived<\/span> or <span class=\"s1\">well-rested<\/span> group, then tested on a memory task. The researchers compare their performance to determine whether lack of sleep causes poorer memory.<\/li>\n<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Strength: <\/b><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">This method provides strong evidence for <\/span><span class=\"s3\" style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">causal relationships<\/span><span style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">.<\/span><\/li>\n<li class=\"p1\"><b style=\"font-family: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">Limitations: <\/b>Experiments can be conducted in <span class=\"s1\">artificial lab settings<\/span>, raising questions about real-world applicability (known as <span class=\"s1\">ecological validity<\/span>).<\/li>\n<\/ul>\n<p class=\"p1\">Some questions cannot be tested experimentally due to <span class=\"s1\"><b>ethical concerns<\/b><\/span>\u2014for instance, exposing participants to harm or trauma.<\/p>\n<section class=\"textbox keyTakeaway\">\n<h3>Types of Research Overview<\/h3>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 94.8862%;\">\n<tbody>\n<tr>\n<td style=\"text-align: left; width: 86.6729%;\" colspan=\"3\"><strong>Table 1. Descriptive, Experimental, and Correlational Research<\/strong><strong><br \/>\n<\/strong><\/td>\n<\/tr>\n<tr>\n<th style=\"width: 24.326%;\">\n<p class=\"p1\"><b>Research Design<\/b><\/p>\n<\/th>\n<th style=\"width: 28.755%;\">\n<p class=\"p1\"><b>Main Purpose<\/b><\/p>\n<\/th>\n<th style=\"width: 33.5919%;\">\n<p class=\"p1\"><b>Example<\/b><\/p>\n<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 24.326%;\">\n<p class=\"p1\"><b>Descriptive<\/b><\/p>\n<\/td>\n<td style=\"width: 28.755%;\">\n<p class=\"p1\">Observes and describes behavior without testing relationships between variables<\/p>\n<\/td>\n<td style=\"width: 33.5919%;\">\n<p class=\"p1\">A psychologist observes children on a playground to study peer influence.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.326%;\">\n<p class=\"p1\"><b>Correlational<\/b><\/p>\n<\/td>\n<td style=\"width: 28.755%;\">\n<p class=\"p1\">Tests whether a relationship exists between two or more variables<\/p>\n<\/td>\n<td style=\"width: 33.5919%;\">\n<p class=\"p1\">Researchers examine the link between self-esteem and academic achievement.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.326%;\">\n<p class=\"p1\"><b>Experimental<\/b><\/p>\n<\/td>\n<td style=\"width: 28.755%;\">\n<p class=\"p1\">Determines whether one variable causes a change in another<\/p>\n<\/td>\n<td style=\"width: 33.5919%;\">\n<p class=\"p1\">Researchers test the effects of sleep deprivation on memory performance.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<\/section>\n<p class=\"p1\">Each research type offers a <span class=\"s1\">unique lens<\/span> for studying human behavior:<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\">Descriptive<\/span> methods capture rich details of real life.<\/li>\n<li class=\"p1\"><span class=\"s1\">Correlational<\/span> methods reveal patterns and relationships.<\/li>\n<li class=\"p1\"><span class=\"s1\">Experimental<\/span> methods test cause and effect under controlled conditions.<\/li>\n<\/ul>\n<p class=\"p1\">In practice, psychologists often <span class=\"s1\">combine these approaches<\/span> to strengthen their findings and ensure that results are both valid and applicable to real-world situations.<\/p>\n<p>These next few pages will take a closer look at descriptive research methods\u2014including case studies, naturalistic observation, and surveys\u2014before exploring correlational and experimental designs in more detail.<\/p>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm3305\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=3305&theme=lumen&iframe_resize_id=ohm3305&source=tnh&show_question_numbers\" width=\"100%\" height=\"450\"><\/iframe><\/section>\n","protected":false},"author":20,"menu_order":10,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Approaches to Research\",\"author\":\"OpenStax College\",\"organization\":\"\",\"url\":\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/2-2-approaches-to-research\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"Download for free at https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction.\"},{\"type\":\"cc\",\"description\":\"Descriptive Research\",\"author\":\"\",\"organization\":\"Boundless\",\"url\":\"https:\/\/www.boundless.com\/psychology\/textbooks\/boundless-psychology-textbook\/researching-psychology-2\/types-of-research-studies-27\/descriptive-research-124-12659\/\",\"project\":\"\",\"license\":\"cc-by-sa\",\"license_terms\":\"\"},{\"type\":\"original\",\"description\":\"Modification and adaptation\",\"author\":\"\",\"organization\":\"Lumen 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