cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15468/dl.q46tf7
title: Occurrence Download

description: A dataset containing 202826547 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "Country is Spain",
 "Country is Switzerland",
 "Country is Belgium",
 "Country is Portugal",
 "Country is Andorra",
 "Country is Italy",
 "Country is France"
 ]
 },
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 202826547 records from 4956 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0060496-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.63xx7q
title: Occurrence Download

description: A dataset containing 1115 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Scaphirhynchus platorynchus (Rafinesque, 1820)"
 ]
}

 The dataset includes 1115 records from 63 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032644-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.34740/kaggle/dsv/11819830
title: Peer-to-Peer Boliviano (BOB) Exchange Data
DOI: 10.15468/dl.bx3rnc
title: Occurrence Download

description: A dataset containing 43 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Peru",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Priodontes maximus (Kerr, 1792)"
 ]
}

 The dataset includes 43 records from 8 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032645-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.k8ftvk
title: Occurrence Download

description: A dataset containing 30806 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Morus alba L.)",
 "BasisOfRecord is one of (Specimen, Human Observation, Observation, Living Specimen, Machine Observation, Literature Occurrence)",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 30806 records from 689 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032646-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.5kdcwq
title: Occurrence Download

description: A dataset containing 144 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Viola crassa (Makino) Makino",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Country is Japan"
 ]
}

 The dataset includes 144 records from 15 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032647-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9s4k2u
title: Occurrence Download

description: A dataset containing 6027 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Athyrium yokoscense (Franch. & Sav.) Christ",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Country is Japan"
 ]
}

 The dataset includes 6027 records from 56 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032649-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.2908/tipsfs20
title: Verschuldungsgrad der finanziellen Kapitalgesellschaften, nicht konsolidiert - %
title: Financial sector leverage, debt to equity, non-consolidated - %
title: Levier du secteur financier, dette par rapport aux actions, non consolidé - %

description: The Financial sector leverage (debt-to-equity ratio) indicator shows the relative proportion of debt used to finance assets to shareholders' equity. It is obtained as the ratio of the sum of Currency and deposits, Debt securities, Loans and Financial derivatives and employee stock options to Equity and investment fund shares.
description: Le levier du secteur financier (ratio de la dette par rapport aux actions) montre la proportion relative de la dette utilisée pour financer les actifs par rapport aux actions. Il est obtenu comme le ratio de la somme du numéraire et des dépôts, des titres de créances, des crédits et des produits financiers dérivés et options sur titres des salariés par rapport aux actions et parts de fonds d'investissement.
description: Dieser Indikator zeigt an, wieviel Schulden relativ gesehen zur Finanzierung von Vermögenswerten des Eigenkapitals eingegangen wurden.Der Indikator errechnet sich aus dem Verhältnis der Summe von Bargeld und Einlagen, Schuldverschreibungen, Krediten und Finanzderivate und Mitarbeiteraktienoptionen und Anteilen an Investmentfonds.
DOI: 10.15468/dl.5nc2sc
title: Occurrence Download

description: A dataset containing 59 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Scaphirhynchus suttkusi Williams & Clemmer, 1991"
 ]
}

 The dataset includes 59 records from 6 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032651-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.8xt896
title: Occurrence Download

description: A dataset containing 317 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ixeridium alpicola (Takeda) Pak & Kawano",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Country is Japan"
 ]
}

 The dataset includes 317 records from 22 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032652-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ewzahe
title: Occurrence Download

description: A dataset containing 2168 records in GBIF matching the query:
SELECT
 kingdom,
 kingdomkey,
 phylum,
 phylumkey,
 class,
 classkey,
 "order",
 orderkey,
 family,
 familykey,
 genus,
 genuskey,
 species,
 specieskey,
 "year",
 GBIF_EEARGCODE(10000, decimallatitude, decimallongitude, COALESCE(coordinateuncertaintyinmeters, 1000)) eeacellcode,
 COUNT(*) occurrences,
 MIN(GBIF_TEMPORALUNCERTAINTY(eventdate, eventtime)) mintemporaluncertainty,
 MIN(COALESCE(coordinateuncertaintyinmeters, 1000)) mincoordinateuncertaintyinmeters
FROM
 occurrence
WHERE
 occurrence.continent = 'EUROPE'
 AND occurrence.countrycode IN ('DK', 'FR', 'DE', 'BE', 'ES', 'NL', 'PT', 'LU', 'UA')
 AND occurrence.occurrencestatus = 'PRESENT'
 AND (occurrence.taxonkey = 6164210 OR occurrence.acceptedtaxonkey = 6164210 OR occurrence.kingdomkey = 6164210 OR occurrence.phylumkey = 6164210 OR occurrence.classkey = 6164210 OR occurrence.orderkey = 6164210 OR occurrence.familykey = 6164210 OR occurrence.genuskey = 6164210 OR occurrence.specieskey = 6164210)
 AND occurrence.hasgeospatialissues = FALSE
 AND NOT GBIF_STRINGARRAYCONTAINS(occurrence.issue, 'TAXON_MATCH_FUZZY', TRUE)
 AND (occurrence.distancefromcentroidinmeters &gt;= 2000.0 OR occurrence.distancefromcentroidinmeters IS NULL)
 AND NOT occurrence.basisofrecord IN ('FOSSIL_SPECIMEN', 'LIVING_SPECIMEN')
 AND (occurrence.specieskey IS NOT NULL AND occurrence."year" IS NOT NULL AND occurrence.hascoordinate = TRUE)
GROUP BY
 occurrence.kingdom,
 occurrence.kingdomkey,
 occurrence.phylum,
 occurrence.phylumkey,
 occurrence.class,
 occurrence.classkey,
 occurrence."order",
 occurrence.orderkey,
 occurrence.family,
 occurrence.familykey,
 occurrence.genus,
 occurrence.genuskey,
 occurrence.species,
 occurrence.specieskey,
 occurrence."year",
 GBIF_EEARGCODE(10000, decimallatitude, decimallongitude, COALESCE(coordinateuncertaintyinmeters, 1000))

 The dataset's 2168 records were derived from 131 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032639-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.k95a9n
title: Occurrence Download

description: A dataset containing 81 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Cirsium yatsu-alpicola Kadota & Y.Amano",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Country is Japan"
 ]
}

 The dataset includes 81 records from 6 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032653-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.3esb5m
title: Occurrence Download

description: A dataset containing 1012 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Morus mongolica (Bureau) C.K.Schneid.)",
 "BasisOfRecord is one of (Specimen, Human Observation, Observation, Living Specimen, Machine Observation, Literature Occurrence)",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 1012 records from 28 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032654-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.vm7vf2
title: Occurrence Download

description: A dataset containing 2 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Chilo partellus Swinhoe, 1885",
 "Country is Tanzania, United Republic of",
 "Year is greater than or equal to 1500"
 ]
}

 The dataset includes 2 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032655-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.5xyh2b
title: Occurrence Download

description: A dataset containing 256 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Sanguisorba albiflora Makino",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Country is Japan"
 ]
}

 The dataset includes 256 records from 16 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0032657-250426092105405/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.xw1wg9
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0102085-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.smcdag
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0001283-190307172214381/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.lpbvul
title: Occurrence Download

description: A dataset containing 548 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-122.26518 33.77884,-117.97524 33.77884,-117.97524 36.68398,-122.26518 36.68398,-122.26518 33.77884))",
 "HasCoordinate is true",
 "TaxonKey is Rana draytonii Baird & Girard, 1852",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 548 records from 11 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0033080-181108115102211/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.xlpqbx
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0102091-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.jsts45
title: Occurrence Download

description: A dataset containing 155034 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Rhytidiadelphus squarrosus (Hedw.) Warnst."
 ]
}

 The dataset includes 155034 records from 538 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0072474-240506114902167/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.c2bsfu
title: Occurrence Download

description: A dataset containing 480 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-122.16422 33.70356,-118.48138 33.70356,-118.48138 36.7289,-122.16422 36.7289,-122.16422 33.70356))",
 "HasCoordinate is true",
 "TaxonKey is Rana draytonii Baird & Girard, 1852",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 480 records from 11 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0033081-181108115102211/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.f6y4ba
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0102210-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.26lkr0
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0102097-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.vzmksx
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0102168-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.rzitiq
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0033128-181108115102211/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.mtnrmn
title: Occurrence Download

description: A dataset containing 497 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Country is one of (Ecuador, Venezuela (Bolivarian Republic of), Colombia)",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Clethra fagifolia Kunth"
 ]
}

 The dataset includes 497 records from 45 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0072488-240506114902167/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.8d7vyp
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0102225-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.eulvih
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0033101-181108115102211/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.41by4k
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0033136-181108115102211/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.hqruzr
title: Occurrence Download

description: A dataset containing 1523002944 species occurrences available in GBIF matching the query:
{ }

 The dataset includes 1523002944 records from 17635 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0009823-170826194755519/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.s2kh4q
title: Occurrence Download

description: A dataset containing 18 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ipomoea batatas",
 "Country is Tonga",
 "HasCoordinate is true"
 ]
}

 The dataset includes 18 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011673-250802193616735/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.sbq4f4
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "BasisOfRecord is one of (Human Observation, Machine Observation, Occurrence evidence, Observation)",
 "TaxonKey is one of (Dryobates nuttallii)",
 "Country is one of (Algeria, Angola, Benin, Botswana, British Indian Ocean Territory, Burkina Faso, Burundi, Cabo Verde, Cameroon, Central African Republic, Chad, Comoros, Congo, Congo, Democratic Republic of the, Côte d’Ivoire, Djibouti, Egypt, Equatorial Guinea, Eritrea, Eswatini, Ethiopia, French Southern Territories, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Mayotte, Morocco, Mozambique, Namibia, Niger, Nigeria, Réunion, Rwanda, Saint Helena, Ascension and Tristan da Cunha, Sao Tome and Principe, Senegal, Seychelles, Sierra Leone, Somalia, South Africa, South Sudan, Sudan, Tanzania, United Republic of, Togo, Tunisia, Uganda, Western Sahara, Zambia, Zimbabwe)"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011672-250802193616735/datasets/export for details.
DOI: 10.15468/dl.dyjy2b
title: Occurrence Download

description: A dataset containing 301 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Parentucellia viscosa",
 "Country is United States of America",
 "HasCoordinate is true"
 ]
}

 The dataset includes 301 records from 52 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011674-250802193616735/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5281/zenodo.16630064
title: FLExo_supplementary_material

description: Supplementary material for the FLExo paper
DOI: 10.5281/zenodo.16740665
title: FLExo_supplementary_material

description: Supplementary material for the FLExo paper
DOI: 10.15468/dl.vc8bpm
title: Occurrence Download

description: A dataset containing 3416 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Lophura ignita)",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "License is one of (CC-BY 4.0, CC0 1.0)"
 ]
}

 The dataset includes 3416 records from 14 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011676-250802193616735/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.gvae6s
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "BasisOfRecord is one of (Human Observation, Machine Observation, Occurrence evidence, Observation)",
 "TaxonKey is one of (Dryobates nuttallii)",
 "Country is one of (American Samoa, Australia, Christmas Island, Cocos (Keeling) Islands, Cook Islands, Fiji, French Polynesia, Guam, Heard Island and McDonald Islands, Kiribati, Marshall Islands, Micronesia (Federated States of), Nauru, New Caledonia, New Zealand, Niue, Norfolk Island, Northern Mariana Islands, Palau, Papua New Guinea, Pitcairn, Samoa, Solomon Islands, Tokelau, Tonga, Tuvalu, United States Minor Outlying Islands, Vanuatu, Wallis and Futuna)"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011675-250802193616735/datasets/export for details.
DOI: 10.6084/m9.figshare.29825231
title: PRISMA_2020_checklist.pdf

description: This document contains the completed PRISMA 2020 checklist corresponding to the systematic literature review entitled <i>"Mathematical Competencies and Critical Thinking in Secondary Education: A PRISMA-based Review (2019–2024)."</i> The checklist ensures transparency, methodological rigor, and adherence to international standards for systematic reviews. Each item in the checklist is linked to the section and page number where it is addressed in the manuscript. This file serves as supplementary material and contributes to the reproducibility and quality assessment of the study.